Limestone rock and ponderosa pine cones. Wind Cave National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.wica56866.html Cracked multi-colored paleosol. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56711.html Fallen tropical almond on forest floor. Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale49837.html Close up of small pieces of petrified wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5596.html Close-up of mud cracks and colorful stones. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo20132.html Blazing Star flowers. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr1140.html Rare Desert Five Spot. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32681.html Ground view with concretions and red cracked mud. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo59533.html Close-up of salt formation. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32690.html Close-up of flowers and burned cactus. Carlsbad Caverns National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.caca52789.html Close-up of multicolored berry leaves. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora47642.html Beached fan coral, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto1874.html Detail of pumice, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21136.html Ground view with flowers and leaves in autumn. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla57370.html Close-up of tiny plants in the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0117.html Close-up of plants growing in cracked rock and. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56710.html Silvery surface of fresh pahoehoe lava. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo55560.html Close-up of shells on rocks, Schoodic Peninsula. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad46064.html Close-up of pine cones and needles. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40847.html Ground view in autumn with grasses and fallen leaves. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn59563.html Close up of flowers and rocks used in Ancestral Puebloan structures. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve53380.html Rope-like hardened pahoehoe lava. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo1614.html Tundra alpine wildflowers. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl1693.html Desert wildflowers. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32614.html Fallen tropical almond (Kamani). Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale49818.html Cracks in yellow fossil soil. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56705.html Naenae (Dubautia menziesii). Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale49761.html Close-up of clinker and clay. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro56890.html Ground close-up with ferns, grasses, and fallen koa leaves. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo55638.html Alpine flowers. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj36696.html Cryptobiotic soil and fallen berries. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch53516.html Beached coral, Tau Island. National Park of American Samoa http://www.terragalleria.com/parks/np-image.npsa3765.html Ground close-up with pine needles and Indian Warriors. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn55810.html Ground view with flowers and fallen leaves, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56389.html Corn lilly close-up, North Cascades National Park. Washington, USA. http://www.terragalleria.com/parks/np-image.noca2106.html Close-up of natural red brick. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro56885.html Rocks, soil, and desert flowers. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany53767.html Ground close-up with pumice rocks and fallen branch with needles, Wizard Island. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla57416.html Close-up of desert floor with annual flowers. Guadalupe Mountains National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.guma52711.html Dead branches, shrubs, and rocks, Hetch Hetchy. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose41259.html Close-up view of beach, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56395.html Mix of grasses, Stronghold Unit. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56820.html Close-up of lupine with rain droplets. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora47646.html Ground close-up of prairie with flowers and grasses. Wind Cave National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.wica56838.html Hermit crabs and palm tree nuts. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56269.html Close-up of lichen on rock. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca53431.html Pine cones and flowers, Hetch Hetchy Valley. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40842.html Forest floor, Hoh rain forest. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym50966.html Gnarled root detail. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45111.html Dwarf tundra plants close-up. Denali National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.dena1557.html Ground view with wildflowers and black rock. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo59551.html Grasses and dandelion. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo57320.html Close-up of desert floor with grasses and bloom. Guadalupe Mountains National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.guma52712.html Cluster of alpine flowers. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora50910.html Tiny yellow flowers. Kings Canyon National Park, California, USA. http://www.terragalleria.com/parks/np-image.kica51420.html Close-up of berry leaves in autumn color. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora47656.html Close up of small pieces of petrified wood and clay pattersn. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo5595.html Tiny plants begin to reestablish themselves in the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0116.html Round pebbles on beach. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym1000.html Close-up of cones of the sequoia trees. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ50109.html Ground view: Wildflowers, fallen leaves, and grasses, Courthouse Wash. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57748.html Alpine flowers and rock. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo57009.html Close up of wall, Coyote Village. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve53376.html Ground view with pine cones and claret cup cactus in bloom. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr55963.html Colorful slab, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0074.html Desicatted cactus leaves on desert floor. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe52911.html Close-up of seaweed. Glacier Bay National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.glba36892.html Rocks and mud cracks. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56707.html Tussocks. Gates of the Arctic National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.gaar5634.html Lichen covered rocks and pine cones. Great Basin National Park, Nevada, USA. http://www.terragalleria.com/parks/np-image.grba8538.html Berry leaves on forest floor in autumn. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro20401.html Fallen leaves and mud ripples, Courthouse Wash. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57746.html Ground close-up, hammock. Everglades National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.ever56608.html Grasses. Everglades National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.ever56613.html Ground close-up with wildflowers, roots, and rain marks in sand. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57681.html Boiling mudpot, Sulphur Works. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo57254.html Ground close-up with shrubs and juniper. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca53637.html Close-up of reef and sand from above. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56253.html Flowers close-up, North Cascades National Park. Washington, USA. http://www.terragalleria.com/parks/np-image.noca2107.html Ground close-up of forest floor. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo57246.html Beached coral, Tau Island. National Park of American Samoa http://www.terragalleria.com/parks/np-image.npsa21002.html Close-up of Frosted aspen leaf. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40179.html Ground view with black petrified wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo59546.html Close-up of red and yellow flowers and mud cracks. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56760.html Close-up of flowers and burned desert plants. Carlsbad Caverns National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.caca52787.html Purple flowers and rocks. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr1139.html Shells on balsalt rock, Tau Island. National Park of American Samoa http://www.terragalleria.com/parks/np-image.npsa3764.html Autumn leaves and pebbles. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40129.html Close-up of red rocks with lichen. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro56886.html Desert shrub and cryptobiotic soil. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany53757.html Alpine flowers and lichen-covered granite rocks. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo57026.html Coreopsis and plant squeleton. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32739.html Fallen mangrove leaves, beached seagrass. Biscayne National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.bisc56453.html Colorful pebbles and shadow. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34102.html Pebbles of various sizes and colors. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44781.html Prickly Pear cactus in bloom. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56775.html Dark rock on soil with fine cracks. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56749.html Ground close-up with cactus and prairie flowers. Wind Cave National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.wica56836.html Shoreline plant detail. Biscayne National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.bisc1921.html Mud and canyon reflected in pool Courthouse Wash. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57747.html Cracks in multi-colored paleosol. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56706.html Ground close-up with grasses, flowers, and prairie dog burrow entrance. Wind Cave National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.wica56837.html Rocks covered with mussels at low tide, Muir inlet. Glacier Bay National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.glba0229.html Alpine wildflowers. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl1691.html Ground view: wildflowers and mosses, Courthouse Wash. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57739.html Close-up of flowers, grasses, and foundation stone of Elkhorn Ranch. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro56963.html Close-up of flowers and dead cactus. Carlsbad Caverns National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.caca52788.html Live Forever (Dudleya) plants, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10696.html Close-up of Oak leaves in autumn. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca53433.html Close-up of Prairie sunflowers and blowout grasses. Great Sand Dunes National Park and Preserve, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa53678.html Ground close-up with juniper. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca53636.html Alpine flowers and lichen-covered rocks. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo57008.html Close up of grasses and roots. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve53374.html Sea stars on rocks at low tide. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym11123.html Close-up of mixed grasses, Stronghold Unit. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56818.html Flower close-ups, Hetch Hetchy Valley. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40843.html Close-up of dried mud and sand, Mesquite Dunes. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva56142.html Log and mushrooms. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0373.html Vine maple leaves in autumn color, North Cascades National Park. Washington, USA. http://www.terragalleria.com/parks/np-image.noca47772.html Ground view with buried section of black petrified wood. Petrified Forest National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.pefo59550.html Ground close-up with quartzite, bristlecone pine cones and roots. Great Basin National Park, Nevada, USA. http://www.terragalleria.com/parks/np-image.grba53526.html Ground view of fallen palms and cottonwood leaves. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr56007.html Desert flowers growing on sandy soil. Capitol Reef National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.care53581.html Gambel Oak and ground covered with fallen leaves. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca53435.html Ground View with basalt boulders and grass. Capitol Reef National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.care57785.html Frosted aspen leaves and grass. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40177.html Close-up of tiny plants and flowers, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0103.html Maple leaves and weathered wood. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0374.html Ground close-up of sulfure deposits and mud. Lassen Volcanic National Park, California, USA. http://www.terragalleria.com/parks/np-image.lavo57253.html Hermit crab, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56271.html Ground view with fallen cones, needles, and leaves. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla57478.html Close-up of ground with flowers, grasses and cactus. Capitol Reef National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.care53582.html Grasses close-up. Guadalupe Mountains National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.guma52710.html Grasses flattened by stream and fallen leaves, Courthouse Wash. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch57755.html Close-up of knobby black crusts of cryptobiotic soil. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany53756.html Colorful pebbles shining in the rain. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44786.html Blue wildflowers. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32733.html Dried autumn leaves and Manzanita spring blooms. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn55826.html Dead caribou head discarded by hunters. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4395.html Forest floor detail, Prairie Creek Redwoods. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw4290.html Granite rocks and yellow alpine wildflowers. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo57016.html Ground close-up with multicolored lava, Mauna Loa. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo55651.html Mushrooms, North Cascades National Park Service Complex. Washington, USA. http://www.terragalleria.com/parks/np-image.noca47820.html Braken fern (Kilau) and rocks. Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale49764.html Fallen maple and dogwood leaves, pine needles and cone. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40039.html Freshly hardened pahoehoe lava. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo55558.html Saltwart plants close-up. Biscayne National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.bisc1922.html Prickly Pear cactus flowers and grasses. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56781.html Wildflowers blooming in early autumn, North Cascades National Park. Washington, USA. http://www.terragalleria.com/parks/np-image.noca47674.html Close-up of grasses, wildflowers, fallen pine cones. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo56998.html Leaves and grass with frost. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose40178.html Cluster of hermit crabs on grassy area, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56272.html Purple flowers. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56777.html Close-up of granite rock. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo57029.html Ground close-up with fallen branch and Indian Warriors. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn55852.html Mud cracks and rocks. Capitol Reef National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.care53589.html Small pieces of petrified wood scattered over cracked bentonite, North Unit. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro8719.html Cactus growing on rock with lichen. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca53633.html Close-up of grasses with dew. Rocky Mountain National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.romo56997.html Wet pebbles, Hunters beach. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44780.html Maple leaves on forest floor. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0340.html Close-up of salt crystals and red rocks. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva56138.html Ground close-up with branches and Indian Warriors. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn55824.html Ground close-up with flowers, shrubs, and sand. Great Sand Dunes National Park and Preserve, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa53665.html Ground view with Buckeye branches and fallen nuts. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn59585.html Ground close-up with white flowers and prairie dog burrow. Badlands National Park, South Dakota, USA. http://www.terragalleria.com/parks/np-image.badl56701.html Pine brach, maple leaves, and moss. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44806.html Close-up of multicolored pebbles. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44785.html Coral and brick pieces on beach, Garden Key. Dry Tortugas National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.drto56396.html Claret Cup Cactus with flowers. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr1110.html Close-up of forest floor with flowers, shamrocks, and cones. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ50102.html Pattern of fabric-like hardened pahoehoe lava. Hawaii Volcanoes National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.havo1617.html Underwater sea grass and fallen mangrove leaves. Biscayne National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.bisc56458.html Mud cracks. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32694.html Branches and dead cacti. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe52905.html Close up of leaves, fallen wood and grasses. Mesa Verde National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.meve53375.html Chia, Desert Dandelion, and Purple Mat flowers. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32776.html Seaweed close-up. Glacier Bay National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.glba36891.html Pebbles and wavelets, Grinnel Lake. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34100.html Ground close-up with quartzite blocks and bristlecone pine cones. Great Basin National Park, Nevada, USA. http://www.terragalleria.com/parks/np-image.grba53525.html Forest floor close-up with tropical almond. Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale49838.html Pebbles and seaweeds. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad44784.html Close-up of wildflowers and cryptobiotic soil. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany53754.html Cracked mud. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32695.html Close-up of flowers and ferns, Marmot Meadows. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj36796.html Ground close-up with flowers, cactus, and sand. Great Sand Dunes National Park and Preserve, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa53666.html Close-up of Cryptobiotic crust with fallen berries. Arches National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.arch53517.html Coral rock used as pavement, Convoy Point. Biscayne National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.bisc56456.html Close-up of Scoria rocks and clay. Theodore Roosevelt National Park, North Dakota, USA. http://www.terragalleria.com/parks/np-image.thro56913.html Forest floor detail in autumn. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0341.html Colorful pebbles in a stream. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac34101.html Ground close-up, cactus and wildflowers, Maze District. Canyonlands National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.cany57622.html Close up of Marsh Marigold (Caltha palustris) growing amidst fallen leaves. Cuyahoga Valley National Park, Ohio, USA. http://www.terragalleria.com/parks/np-image.cuva6963.html Stonecrop plants (Dudleya), San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10701.html Ground view in autumn with pine cones and fallen cottonwood leaves. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn59559.html Ground close-up with flowers and gravel. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca53625.html Tiny alpine plant close-up. Yosemite National Park, California, USA. http://www.terragalleria.com/parks/np-image.yose47099.html Chia and Desert Dandelion flowers. Joshua Tree National Park, California, USA. http://www.terragalleria.com/parks/np-image.jotr32775.html Ground view with fallen cones, needles, and branches. Crater Lake National Park, Oregon, USA. http://www.terragalleria.com/parks/np-image.crla57479.html Forest floor detail with berry leaves. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0336.html Close-up of autumn grasses and fallen leaves. Pinnacles National Park, California, USA. http://www.terragalleria.com/parks/np-image.pinn59562.html Ground close-up of fallen leaves and fruits. Virgin Islands National Park, US Virgin Islands. http://www.terragalleria.com/parks/np-image.viis60155.html Ground close-up of fallen leaves. Virgin Islands National Park, US Virgin Islands. http://www.terragalleria.com/parks/np-image.viis60154.html Sawgrass and phytoplankton. Everglades National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.ever60082.html Sawgrass and water. Everglades National Park, Florida, USA. http://www.terragalleria.com/parks/np-image.ever60083.html Close-up of blocks of rocks and berry plants, North Cascades National Park Service Complex. Washington, USA. http://www.terragalleria.com/parks/np-image.noca60407.html Close-up of rocks with lichen and berry plants in autumn, North Cascades National Park Service Complex. Washington, USA. http://www.terragalleria.com/parks/np-image.noca60408.html Close-up of mushrooms and ground plants. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora60605.html Close-up of mushrooms and fallen wood. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora60606.html Close-up of forest floor with many mushrooms. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora60610.html Close-up of mushrooms, Hoh Rain Forest. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym60720.html Forest floor with fallen leaves and clover, Quinault. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym60735.html Ground close-up of clovers, shamrocks, ferns, and redwood needles, Stout Grove, Jedediah Smith Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61152.html Ground close-up of pebbles and moss on shore of Smith River, Jedediah Smith Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61151.html Ground close-up with fallen redwood branches and needles, Jedediah Smith Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61124.html Close-up of driftwood, kelp, and rocks, Enderts Beach. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61162.html Close-up of rock slab with pebbles and shell, Enderts Beach. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61163.html Close-up of rocky beach. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61164.html Close-up of sand and pebbles, Enderts Beach. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw61168.html Close-up of vibrant desert blooms. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61510.html Ground close-up with blooming flowers and fallen cholla cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61499.html Ground close-up with cactus and wildflowers. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61513.html Ground close-up with purple wildflowers and brittlebush. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61511.html Close-up of brittlebush in bloom. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61512.html Close-up of hedgehodge cactus in bloom and poppies. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61530.html Ground view with tiny flowers and cactus skeleton, Rincon Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu61473.html Ground close-up with iceplant and flowers, Santa Rosa Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis61658.html Ground close-up with Torrey Pine cones, flowers, and grasses, Santa Rosa Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis61716.html Torrey Pine cones and needles on the ground, Santa Rosa Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis61719.html Close-up of tall grasses, Santa Rosa Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis61668.html Close-up of volcanic stones and cracked mud, Panamint Valley. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva61747.html Rocks and oils. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion61996.html Ground close-up with wildflowers. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion61995.html Close-up of cactus with hailstone. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion62053.html Close-up of flowering cactus, red soil, and hail. Zion National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.zion62054.html Close-up of alpine plants in autumn. Great Sand Dunes National Park and Preserve, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa62395.html Close-up of forest floor with fallen leaves in autumn. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac62661.html Close-up of ferns and fallen leaves in autumn. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac62664.html Close-up of forest floor with grasses and shrubs in autumn. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac62587.html Close-up of forest floor with colorful shurbs in autumn. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac62590.html Close-up of ground with fallen branches, needles, and hailstones. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ62766.html Close-up of ferns and bark from giant sequoias. Sequoia National Park, California, USA. http://www.terragalleria.com/parks/np-image.sequ62757.html Close-up of fallen needles and chunks of wood. Kings Canyon National Park, California, USA. http://www.terragalleria.com/parks/np-image.kica62774.html Close-up of fallen sequoia needles over hailstones. Kings Canyon National Park, California, USA. http://www.terragalleria.com/parks/np-image.kica62773.html Close-up of cactus in blooms with fallen pinyon pine cones. Great Basin National Park, Nevada, USA. http://www.terragalleria.com/parks/np-image.grba63169.html Close-up of colorful pebbles and fallen aspen leaves, Jackson Lake. Grand Teton National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.grte63217.html Travertine terrace detail, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell63250.html Close up of berries and summer leaves. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64070.html Close-up of sunflower and ferns. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64029.html Close up of green undergrowth leaves. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64074.html Close-up of summer leaves with fallen autumn leaf. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64069.html Fallen Birch trunk and ferns. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64064.html Berries and leaves in the summer. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64065.html Close-up of lichens. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64083.html Close-up of mosses and lichens. Voyageurs National Park, Minnesota, USA. http://www.terragalleria.com/parks/np-image.voya64084.html Bear scat close-up. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63492.html Close-up of glacier surface. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63512.html Close-up of tussocks. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63403.html Limestone and volcanic rocks, Skookum Volcano. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63448.html Close up of tundra in autumn. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63466.html Close-up of tundra and berry plants. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63454.html Ground close-up with blocks of limestone and marble, Nabesna mine. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst63418.html Close-up of rocks and icebergs, Exit Glacier outwash plain. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj63601.html Close-up of rocks and icebergs near Exit Glacier. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj63602.html Close-up of rock slab with mosses. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj63579.html Close-up of two sapplings on soil recently uncovered by Exit Glacier. Kenai Fjords National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kefj63582.html Close up of pebbles and fallen leaves on shore of Lake Clark. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl63313.html Ground close-up with mushrooms and moss. Lake Clark National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.lacl63367.html Close-up of berries and lichen. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm63730.html Close-up of tundra with berries in autumn. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm63731.html Close-up of autumn tundra. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm63734.html Close-up of wildflowers and lichen. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro64317.html Moose skull with attached antlers. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro64292.html Fallen green leaf and beach stones, Tookers Island. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro64240.html Forest undergrowth with white flowers, Passage Island. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro64214.html Forest undergrowth with white flowers, Passage Island. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro64217.html Close-up of fallen needles and pine cones. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca64383.html Close-up of dry creek with fallen pine cones. Bryce Canyon National Park, Utah, USA. http://www.terragalleria.com/parks/np-image.brca64370.html Close up of sea floor exposed at low tide. Acadia National Park, Maine, USA. http://www.terragalleria.com/parks/np-image.acad67013.html Close-up of reeds and snow. Indiana Dunes National Park, Indiana, USA. http://www.terragalleria.com/parks/np-image.indu66022.html Close-up of fallen oak leaves with fresh snow. Indiana Dunes National Park, Indiana, USA. http://www.terragalleria.com/parks/np-image.indu65970.html Close-up of undergrowth leaves, Bedford Reservation. Cuyahoga Valley National Park, Ohio, USA. http://www.terragalleria.com/parks/np-image.cuva65667.html Close-up of leaves with insect holes, Bedford Reservation. Cuyahoga Valley National Park, Ohio, USA. http://www.terragalleria.com/parks/np-image.cuva65666.html Close-up of plants and wildflowers. Cuyahoga Valley National Park, Ohio, USA. http://www.terragalleria.com/parks/np-image.cuva65649.html Close-up of forest undergrowth. Shenandoah National Park, Virginia, USA. http://www.terragalleria.com/parks/np-image.shen65564.html Close-up of undergrowth with wildflowers and ferns. Shenandoah National Park, Virginia, USA. http://www.terragalleria.com/parks/np-image.shen65566.html Close-up of flowers and lichen-covered rock. Shenandoah National Park, Virginia, USA. http://www.terragalleria.com/parks/np-image.shen65625.html Close up of undergrowth leaves in spring. Shenandoah National Park, Virginia, USA. http://www.terragalleria.com/parks/np-image.shen65632.html Close-up of limestone rocks and forest vegetation. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca65527.html Close-up of moss-covered rocks and undergrowth. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca65528.html Close-up of water lillies, Sloans Crossing Pond. Mammoth Cave National Park, Kentucky, USA. http://www.terragalleria.com/parks/np-image.maca65478.html Close-up of ferns, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65410.html Close-up of clover and wildflowers, North Carolina. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65422.html Close-up of ferns and leaves, Cataloochee, North Carolina. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65374.html Close-up of forest floor. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65444.html Close-up of fallen pine needles, cones, and forest undergrowth. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65445.html Close-up of leaves and fallen pine needles. Congaree National Park, South Carolina, USA. http://www.terragalleria.com/parks/np-image.cosw65446.html Close-up of grasses on dunes with trails left by tip motion. White Sands National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.whsa67311.html Close-up of dune ripples and kangaroo rat tracks. White Sands National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.whsa67308.html Close-up of ripples and bird tracks. White Sands National Park, New Mexico, USA. http://www.terragalleria.com/parks/np-image.whsa67296.html Gambel Oak and leaves. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca53432.html Close up of fallen aspen leaves. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca65760.html Close up of fallen aspen leaves with snow. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca65761.html