yell49302 Old Faithful Geyser in the winter with moon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49302.html yell8799 Grand Geyser eruption, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8799.html yell21269 Fishing cone, fog, and sun rising. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21269.html yell8794 Morning Glory Pool, midday. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8794.html yell0510 Travertine formations in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0510.html yell49331 Mirror Pool, snow and steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49331.html yell49264 Bare trees and steam in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49264.html yell49245 Thermal pool and dark clouds, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49245.html yell21267 Great prismatic springs, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21267.html yell8810 Midway Geyser Basin along the Firehole River. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8810.html yell25448 Thermal pond and dead trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25448.html yell0505 Green and red algaes in Norris geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0505.html yell0520 Minerva travertine terraces at Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0520.html yell0531 Grasses and stream. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0531.html yell0532 Lilies on a small lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0532.html yell0533 Yellowstone River and meadow in fall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0533.html yell0523 Ice on Yellowstone lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0523.html yell21246 Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21246.html yell25459 Wide valley and stream in summer. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25459.html yell8785 Grasses and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8785.html yell21256 Absaroka Range from Dunraven Pass, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21256.html yell1837 Grizzly bear. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1837.html yell49274 Bisons with snowy faces. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49274.html yell49251 Snow-covered bison in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49251.html yell49252 Bison and Lion Geyser in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49252.html yell49309 Old Faithful Geyser at dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49309.html yell49308 Old Faithful Geyser, daww eruption. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49308.html yell49312 Old Faithful geyser plume in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49312.html yell49311 Pine tree and Old Faithful geyser in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49311.html yell21261 Old Faithful Geyser and tree, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21261.html yell0508 Steam clouds drifting from Old Faithfull geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0508.html yell21262 Old Faithful Geyser and tree backlit in afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21262.html yell8809 Old Faithful Geyser erupting, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8809.html yell25453 Old Faithful geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25453.html yell25456 Old Faithful geyser and tree. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25456.html yell6021 Steam column from Old Faithful Geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6021.html yell8806 Old Faithful Geyser, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8806.html yell8807 Old Faithful Geyser erupting, backlit by late afternoon sun. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8807.html yell49307 Old Faithful geyser, moon and clouds. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49307.html yell49305 Plume, long night exposure, Old Faithful. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49305.html yell49306 Plume, Old Faithful geyser, winter night. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49306.html yell49300 Old Faithful Geyser eruption and moon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49300.html yell49301 Old Faithful Geyser erupts at night. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49301.html yell49303 Night view of Old Faithful Geyser in winter with full moon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49303.html yell49304 Run-off and geyser, steam obscuring moon, Old Faithful. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49304.html yell0506 Trees shadowed in thermal steam, Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0506.html yell0511 Geyser cone in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0511.html yell2242 Castle Geyser in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2242.html yell8793 Daisy Geyser erupting at an angle. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8793.html yell8795 Morning Glory Pool with visitors. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8795.html yell8796 Bright colors of morning Glory Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8796.html yell21275 Raibow colored Morning Glory Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21275.html yell21274 Thermal pool, upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21274.html yell21273 Beauty Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21273.html yell2245 Chromatic Pool in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2245.html yell25449 Thermal landscape with pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25449.html yell25458 Landscape with thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25458.html yell0507 Steam out of Beauty pool in Upper geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0507.html yell8798 Grand Geyser, tallest of the regularly erupting geysers in the Park. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8798.html yell2246 Fumeroles and forest in Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2246.html yell0509 Tree skeletons in Black Sand basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0509.html yell0515 Thermal steam and frosted trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0515.html yell21271 Sapphire Pool, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21271.html yell21272 Blue clear waters in Sapphire Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21272.html yell8804 Colorful algaes patterns, Biscuit Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8804.html yell8803 Detail of colorful algaes, Biscuit Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8803.html yell25455 Turquoise thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25455.html yell25452 Thermal scenery with hot springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25452.html yell49284 Sapplings and burned trees in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49284.html yell49278 Snow-covered trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49278.html yell49279 Snow-covered branches. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49279.html yell49257 Tree skeletons in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49257.html yell49319 Wintry forest and steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49319.html yell49320 Steam and forest in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49320.html yell49281 Thermal steam along the Firehole River in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49281.html yell49258 Firehole river and bison in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49258.html yell49316 Buffalo herd and Geyser Hill in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49316.html yell49262 Snowy landscape with distant thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49262.html yell49255 Winter landscape with thermal run-off. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49255.html yell49254 Castle geyser cone and steam in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49254.html yell49270 Giant Geyser cone and steam in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49270.html yell49267 Hot springs and snow, Upper Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49267.html yell49259 Upper Geyser Basin in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49259.html yell49265 Thermal run-off stream contrasts with snowy landscape. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49265.html yell49282 Morning Glory Pool, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49282.html yell49283 Visitor at Morning Glory Pool, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49283.html yell49266 Chromatic Spring in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49266.html yell49253 Crested Pool in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49253.html yell49321 Gem pool seen from above, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49321.html yell49261 Hot springs detail. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49261.html yell49327 Mustard Spring. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49327.html yell49325 Frosted tree and thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49325.html yell49324 Sapphire Pool in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49324.html yell49330 Tree skeleton and thermal steam, Biscuit Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49330.html yell49333 Grotto Geyser at dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49333.html yell0514 Great prismatic springs, thermal steam, and hill, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0514.html yell25451 Thermal basin with multi-colored algae. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25451.html yell25454 Steam rising from multi-colored thermal springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25454.html yell0513 Terraces in Great prismatic springs, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0513.html yell21338 Colorful streak and terraces, Great Prismatic Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21338.html yell0516 Steam and hill, Midway geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0516.html yell0538 Great Fountain geyser. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0538.html yell0517 Great Fountain geyser eruption. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0517.html yell21268 Great Fountain Geyser with residual steam at sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21268.html yell2250 Great Fountain geyser and colorful clouds at sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2250.html yell25447 Steam rising in geyser pool at sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25447.html yell8824 Frost along the Firehole River. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8824.html yell5910 Yellow mineral deposits in a hot springs, Midway Geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell5910.html yell0518 Mud cauldron at fountain paint pot. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0518.html yell2251 Trees near Fountain Paint Pot at sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2251.html yell25461 River and verdant meadows. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25461.html yell8816 Trees and bend of the Yellowstone River, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8816.html yell21254 Meadow and bend of the Yellowstone River, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21254.html yell2244 Yellowstone River and meadow in fall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2244.html yell2247 Yellowstone Lake with frozen shores, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2247.html yell8821 West Thumb at dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8821.html yell8819 Purple flowers and pine trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8819.html yell8818 Grasses and Yellowstone Lake near Stemboat Point, morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8818.html yell21270 West Thumb geyser basin and Yellowstone lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21270.html yell2241 West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2241.html yell0521 Pools, West Thumb geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0521.html yell2243 West Thumb Geyser Basin covered by snow at dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2243.html yell49250 West Thumb Geyser Basin in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49250.html yell49246 Snow-covered West Thumb thermal basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49246.html yell49248 Thermal stream at edge of Yellowstone Lake in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49248.html yell49247 Thermal run-off and snowy landscape. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49247.html yell49244 Steam rising from pool in winter, West Thumb. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49244.html yell49249 Colorful thermal stream and dark clouds, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49249.html yell49243 Thermal pool in winter, West Thumb Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49243.html yell49231 Park entrance sign in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49231.html yell49349 Forest with snow falling. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49349.html yell49348 Forest in snow storm. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49348.html yell49346 Pine forest in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49346.html yell49345 Trees on edge of Lewis Lake in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49345.html yell49344 Snow-covered road. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49344.html yell49230 Lewis River in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49230.html yell49233 Snowy landscape with waterfall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49233.html yell49234 Moose Falls in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49234.html yell49236 Lewis Canyon slopes with burned forest, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49236.html yell49237 Burned tree trunks and snow, Lewis Canyon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49237.html yell49238 Lewis Falls in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49238.html yell49240 Lewis River valley in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49240.html yell49239 Lewis River and falls, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49239.html yell49280 Snow-covered spruce trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49280.html yell49341 Close up of tree with snow. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49341.html yell49340 Kepler Cascades of the Firehole River in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49340.html yell8805 Kepler cascades. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8805.html yell49339 Snowy forest and Kepler Cascades. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49339.html yell21247 Wide view of Grand Canyon of the Yellowstone, morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21247.html yell8812 Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8812.html yell25467 Yellowstone canyon and waterfall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25467.html yell25468 Canyon landscape with waterfall. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25468.html yell25469 Falls of the Yellowstone River in Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25469.html yell2248 Lower Falls of the Yellowstone river in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2248.html yell21249 Canyon and Lower Falls of the Yellowstone river. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21249.html yell6024 Falls of the Yellowstone river in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6024.html yell25466 Yellowstone River falls in early winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25466.html yell25464 Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25464.html yell25465 Yellowstone River meandering through canyon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25465.html yell21253 Slopes of Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21253.html yell6025 Mist raising from falls of the Yellowstone river. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6025.html yell21248 Grand Canyon of Yellowstone and Lower Falls with snow dusting. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21248.html yell21250 River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21250.html yell21252 Colorful wall of the Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21252.html yell21251 River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21251.html yell0526 River gorge, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0526.html yell0529 Canyon slopes, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0529.html yell0527 Trees and colorful mineral deposits, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0527.html yell2249 Yellowstone River, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2249.html yell0528 Buttresses and ridges, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0528.html yell6023 Wall and River in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6023.html yell6022 Rock wall in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6022.html yell8772 Soda Butte Creek, Lamar Valley, dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8772.html yell8774 Lamar River, Lamar Valley, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8774.html yell21257 Meadow and river in wide Lamar Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21257.html yell8775 Petrified tree. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8775.html yell8779 Basalt columns. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8779.html yell8780 Hills from Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8780.html yell8781 Bushes and rolling Hills in summer, Specimen ridge. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8781.html yell21255 Rocks and grasses on Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21255.html yell8783 Rocks, grasses, and hills, Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8783.html yell8784 Grasses and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8784.html yell8786 Rocks and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8786.html yell21258 Flowers on slope below Mt Washburn, sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21258.html yell8788 Flowers and Mt Washburn, sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8788.html yell25460 Mountain slopes with wildflowers. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25460.html yell25463 Hills in summer. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25463.html yell25462 Gentle slopes covered with summer wildflower. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25462.html yell8789 Backlit ridges of Absaroka Range from Dunraven Pass, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8789.html yell8790 Yellow flowers on slope below Mt Washburn, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8790.html yell21259 Yellow summer flowers and Mt Washburn, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21259.html yell8778 Lupines at Dunraven Pass, Grand Canyon of the Yellowstone in the background. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8778.html yell0503 Norris geyser basin at sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0503.html yell21266 Steam in Norris Geyser Basin at dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21266.html yell0504 Thermal activity at Norris geyser basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0504.html yell25446 Steam rising in thermal geyser basin a dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25446.html yell21265 Dead trees and turquoise pond in Norris Geyser Basin. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21265.html yell0530 Ice on a small lake. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0530.html yell21260 Water lilies and pond. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21260.html yell8792 Lupine at the base of burned forest. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8792.html yell8777 Burned forest and clouds. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8777.html yell8823 Densely clustered lodgepine tree trunks, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8823.html yell8776 Bright trees in burned forest and clouds. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8776.html yell8822 Dense Lodgepole pine forest, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8822.html yell8825 Frosted trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8825.html yell0534 Bare trees on hill. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0534.html yell8826 Basalt columns. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8826.html yell0536 Fresh snow on foothill ridges. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0536.html yell21264 Minerva travertine terraces and steam, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21264.html yell21263 Minerva travertine terraces, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21263.html yell25450 Thermal travertine terraces. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25450.html yell25457 Travertine terraces and steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25457.html yell2252 Travertine terraces at Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2252.html yell8773 Buffalo herd in Lamar Valley, dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8773.html yell8815 Buffalo in creek, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8815.html yell8813 Bison and creek, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8813.html yell8814 Buffalo, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8814.html yell0535 Yellowstone River, meadow, and bisons in Heyden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0535.html yell1844 Two bisons. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1844.html yell1835 Group of buffaloes. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1835.html yell1836 Two buffaloes head to head. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1836.html yell49317 Lone bison and thermal steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49317.html yell49285 Herd of buffaloes during snow storm. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49285.html yell49256 Bison moving in single file next to Firehole river, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49256.html yell49263 Bison following warm stream in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49263.html yell49315 Bisons with thermal plume behind in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49315.html yell49314 Bison herd on a warmer patch in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49314.html yell49286 Bison feeding in snow-covered meadow. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49286.html yell49271 Bison crossing Firehole River in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49271.html yell49272 Group of buffaloes crossing river in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49272.html yell49276 Bisons and geyser cone, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49276.html yell49273 Two American bisons in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49273.html yell49318 American bison with snow sticking on face. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49318.html yell49275 Close view of american buffalo in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49275.html yell49313 Snow-covered buffalo standing on warmer ground. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49313.html yell49288 Snow-covered bison walking. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49288.html yell49277 American bison in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49277.html yell0537 Female Elk on travertine terraces at Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0537.html yell1839 Elk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1839.html yell8820 Cow moose reaching for plant. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8820.html yell1838 Grizzly bear and thermal steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell1838.html yell49310 Coyote in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49310.html yell49350 Bombardier snow busses being unloaded at Flagg Ranch. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49350.html yell49351 Winter tour snow coaches unloading, Flagg Ranch. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49351.html yell49352 Snowcoaches and snow falling. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49352.html yell49353 Bombardier snow bus. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49353.html yell49232 Travelers boarding snow bus. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49232.html yell49235 Snowcoaches on snow-covered road. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49235.html yell49241 Couple standing in snowdrift next to snow coach. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49241.html yell49242 Snowcoach and trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49242.html yell49347 Snowmobiling on snowy day. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49347.html yell49342 Snowmobilers. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49342.html yell49343 Snowmobiles. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49343.html yell49323 Snowmobile riders. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49323.html yell49229 Visitors take pictures with entrance sign in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49229.html yell49338 Visitors on boardwalk in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49338.html yell49329 Large group of visitors in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49329.html yell49328 Visitors walk over snow-covered boardwalk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49328.html yell49326 Family looks at thermal pool in winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49326.html yell49268 Cross country skiers pass Chromatic Spring. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49268.html yell49269 Skiers and thermal steam. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49269.html yell49287 Skiers and bisons. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49287.html yell49322 Child walking with buffaloes in the distance. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49322.html yell49332 Skier at the edge of thermal pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49332.html yell49260 Photographer standing next to hot springs. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49260.html yell49228 Snow coaches parked at Flagg Ranch. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49228.html yell49335 Snow busses in front of Old Faithful Snow Lodge. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49335.html yell49337 Bombardier snowcoaches. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49337.html yell49336 Winter Snowcoaches in front of Old Faithful Snow Lodge. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49336.html yell49334 Icicles, Old Faithful Snow Lodge. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49334.html yell49289 Visitor Center at dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49289.html yell49291 New Visitor Center at night. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49291.html yell49292 Old Faithful Snow Lodge at dusk, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49292.html yell49294 Snowmobiles parked next to Old Faithful Snow Lodge at night. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49294.html yell49296 Old Faithful Snow Lodge at night, winter. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell49296.html yell8827 Main hall of Old Faithful Inn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8827.html yell8829 Chimney in main hall of Old Faithful Inn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8829.html yell8828 Wooden structures inside Old Faithful Inn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8828.html