chis10656 Sand dunes and Cuyler Harbor, afternoon, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10656.html chis10657 Dunes and Cuyler Harbor, mid-day, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10657.html chis10662 Sand dunes and Cuyler Harbor, afternoon, San Miguel Island. Channel Islands National Park, California, USA. http://www.terragalleria.com/parks/np-image.chis10662.html deva1147 Mesquite Sand dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1147.html deva1152 Eureka Dunes and Last Chance range, late afternoon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1152.html deva1153 Eureka Dunes, tallest in the park, dusk. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1153.html deva1161 Mud formations in the Mesquite sand dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1161.html deva1164 Mesquite Sand Dunes and Tucki mountain, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1164.html deva1165 Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1165.html deva1167 Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1167.html deva1168 Ripples on Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1168.html deva1169 Mesquite Sand Dunes during a sandstorm. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva1169.html deva20812 Ripples on Mesquite Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20812.html deva20813 Dunes under rare stormy sky. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20813.html deva20814 Ripples on Mesquite Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20814.html deva20815 Ripples on Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20815.html deva20816 Sand dunes and bushes. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20816.html deva20817 Sensuous dune forms. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva20817.html deva21333 Mud formations in the Mesquite sand dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva21333.html deva2179 Mesquite Sand dunes and Amargosa Range, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva2179.html deva2180 Ripples on Mesquite Sand Dunes. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva2180.html deva2186 Ripples on Mesquite Sand Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva2186.html deva2187 Eureka sand dunes, late afternoon. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva2187.html deva32541 Mesquite bushes and sand dunes, dawn. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32541.html deva32542 Ripples, mesquite on sand dunes, dawn. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32542.html deva32543 Sand dunes and mesquite bushes, dawn. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32543.html deva32544 Mesquite sand dunes at dawn. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32544.html deva32545 Mesquite bush and sand ripples, dawn. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32545.html deva32546 Sand dunes and mesquite bushes, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32546.html deva32547 Sand ripples close-up, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32547.html deva32548 Close-up of Sand ripples, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32548.html deva32549 Photographer on dune ridge at sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32549.html deva32550 Depression in dunes with sand ripples, Mesquite Sand Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32550.html deva32551 Depression in dunes with sand ripples, Mesquite Sand Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32551.html deva32552 Cracked mud and sand ripples, Mesquite Sand Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32552.html deva32553 Cracked mud and sand ripples, Mesquite Sand Dunes, early morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32553.html deva32554 Footprints in the sand. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32554.html deva32555 Footprints in the sand leading towards mountain. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32555.html deva32556 Depression in sand dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32556.html deva32557 Sensuous forms, Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32557.html deva32558 Sensuous forms, Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32558.html deva32559 Sensuous forms in the sand, Mesquite Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32559.html deva32560 Dune ridges with photographer in the distance, Mesquite Sand Dunes, morning. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva32560.html deva5793 Hiker on ridge, Mesquite Dunes, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5793.html deva5794 Hiking towards tall dune, the Mesquite Dunes, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5794.html deva5795 Hiker on a ridge in the Mesquite Dunes, sunrise. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5795.html deva5796 Dune field with hikers, Mesquite Dunes. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5796.html deva5797 Hiker on sand dunes. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva5797.html deva6009 Piece of wood and sand ripples. Death Valley National Park, California, USA. http://www.terragalleria.com/parks/np-image.deva6009.html grsa0260 Dune field and Sangre de Christo mountains in winter. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0260.html grsa0261 Dune ridges. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0261.html grsa0263 Sand ripples and Sangre de Christo mountains in winter. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0263.html grsa0286 Sand dunes with snow patches. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0286.html grsa0287 Pattern of snow over dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0287.html grsa0288 Distant view of the dune field and Sangre de Christo mountains at sunset. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0288.html grsa0289 Storm light illuminates portions of the dune field. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0289.html grsa0290 Storm light illuminates portions of the dune field. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0290.html grsa0291 Mendonca creek, dunes and Sangre de Christo mountains. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0291.html grsa0294 Distant view of dunes and Sangre de Christo mountains in late afternoon. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0294.html grsa0295 Distant view of Dunes and Sangre de Christo mountains in late afternoon. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0295.html grsa0297 Curve on snowy dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0297.html grsa0303 Dunes at dawn with snow and moon. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa0303.html grsa20557 Ripples in partly snow-covered sand dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20557.html grsa20558 Patch of sand, snow-covered dunes, Sangre de Christo mountains. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20558.html grsa20559 Sand dunes with patches of snow seen from above. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20559.html grsa20560 Melting snow on the dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20560.html grsa20561 Rippled dunes and Sangre de Christo mountains in winter. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20561.html grsa20562 Sand dunes with snow patches and Sangre de Christo range. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20562.html grsa20564 Ghost Forest, skeletons of trees engulfed by sands. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20564.html grsa20566 Patches of uncovered sand in snow-covered dunes, mountains, and dark clouds. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20566.html grsa20567 Zig-zag pattern of sand amongst Snow on the dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20567.html grsa20568 Patch of sand in snow-covered dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20568.html grsa20569 Sparse snow on the dunes at dawn. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20569.html grsa20570 Wildflowers, grass prairie and dunes. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20570.html grsa20571 Flats, sand dunes, and snowy Sangre de Christo mountains. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20571.html grsa20572 Mendonca creek with shifting sands, dunes and Sangre de Christo mountains. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa20572.html grsa6026 Medano creek, Sand Dunes, and Sangre de Cristo Mountains. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa6026.html grsa6033 Grass and dunes, morning. Great Sand Dunes National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.grsa6033.html kova21150 The edge of the Great Sand Dunes with boreal forest below. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova21150.html kova21151 Sand ripples in Arctic dune field. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova21151.html kova21152 Sand dunes with spruce trees. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova21152.html kova21153 Dune field with boreal forest in the distance. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova21153.html kova4361 Aerial view of the Great Kobuk Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4361.html kova4362 Aerial view of the Great Kobuk Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4362.html kova4363 Aerial view of the Arctic dune field. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4363.html kova4373 Dune plants. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4373.html kova4374 Pocket of Spruce trees in the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4374.html kova4375 Ripples in the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4375.html kova4376 Great Sand Dunes and boreal spruce forest. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4376.html kova4377 Caribou tracks and ripples in the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4377.html kova4378 Caribou tracks and ripples in the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4378.html kova4379 Caribou footprints and ripples in the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4379.html kova4380 Animal tracks on the Great Sand Dunes. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4380.html kova4381 The edge of the Great Sand Dunes with the boreal taiga. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4381.html kova4382 Edge of the Great Sand Dunes with tundra and taiga below. Kobuk Valley National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.kova4382.html usca33480 Kelso dunes seen from a distance. Mojave National Preserve, California, USA http://www.terragalleria.com/california/picture.usca33480.html usca9538 Paragliders practising in the Marina sand dunes. California, USA http://www.terragalleria.com/california/picture.usca9538.html usca9539 Paragliders soaring above the Marina sand dunes. California, USA http://www.terragalleria.com/california/picture.usca9539.html usca9752 Bushes and Kelso Dunes. Mojave National Preserve, California, USA http://www.terragalleria.com/california/picture.usca9752.html usca9755 Kelso Dunes, sunset. Mojave National Preserve, California, USA http://www.terragalleria.com/california/picture.usca9755.html