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Firehole Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lower Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone River near Calcite Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fresh snow on evergreens, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Castle Geyser at sunset, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) bull in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mount Washburn in early morning light, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Male mountain bluebird (Sialia currucoides), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fog among evergreens, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Pronghorn (Antilocapra americana) buck, Yellowstone National Park, Wyoming, United States of America, North America
Clouds reflected in a pond, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Black bear (Ursus americanus) in a spring snow storm, Yellowstone National Park, Wyoming, United States of America, North America
Three black bear (Ursus americanus) cubs of the year or spring cubs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Pink clouds over snow-covered hills at sunset, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Echinus Geyser, erupts every hour, Norris Basin, Yellowstone National Park, Wyoming, USA
Regenerating trees reflected in a frosty and misty Lewis River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Line of Bison (Bison bison) crossing the Lamar River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Coyote (Canis latrans) in snow, Yellowstone National Park, Wyoming, United States of America, North America
Artemesia Geyser Pool, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Liberty Cap, a dormant hot spring cone, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Ephedra spring, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) reflected in a pond, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Upland larkspur (Delphinium nuttallianum), Yellowstone National Park, Wyoming, United States of America, North America
Coyote (Canis latrans), Yellowstone National Park, Wyoming, United States of America, North America
Black bear (Ursus americanus) eating, Yellowstone National Park, Wyoming, United States of America, North America
Sandhill crane (Grus canadensis), Yellowstone National Park, Wyoming, United States of America, North America
Uinta ground squirrel (Urocitellus armatus), Yellowstone National Park, Wyoming, United States of America, North America
Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lower Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lewis River meanders in the early morning;, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dead tree trunks, Canary Spring, top Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Porcelain Springs, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lower Falls from Artists Point, Grand Canyon of the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Old Faithful Geyser erupting in summer evening light, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Uinta ground squirrel (Urocitellus armatus), Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow nursing her calf, Yellowstone National Park, Wyoming, United States of America, North America
Elk (Cervus canadensis) bull in the snow in winter, Yellowstone National Park, Wyoming, United States of America, North America
Blue holes and white crystals, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blue holes and white crystals, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Young Uinta Ground Squirrel (Urocitellus armatus), Yellowstone National Park, Wyoming, United States of America, North America
Spotted Sandpiper (Actitis macularia), Yellowstone National Park, Wyoming, United States of America, North America
Pronghorn buck (Antilocapra americana), Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Canyon of the Yellowstone River, from Grand View, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Minerva Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blue Funnel spring, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Old Faithful Geyser erupting, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) reflected in a pond, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Evergreens along Yellowstone Lake in the early spring at sunset, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Evergreens along Yellowstone Lake in the early spring at sunset, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) cow and calf, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) bull among yellow wildflowers, Yellowstone National Park, Wyoming, United States of America, North America
Brown-headed cowbird (Molothrus ater), Yellowstone National Park, Wyoming, United States of America, North America
Black bear (Ursus americanus), Yellowstone National Park, Wyoming, United States of America, North America
Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sawmill Geyser erupts, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dead tree trunks, Canary Spring, Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UENSCO World Heritage Site, Wyoming, United States of America, North America
Female Mountain Bluebird (Sialia currucoides) at the nest, Yellowstone National Park, Wyoming, United States of America, North America
Coyote (Canis latrans) in snow, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow eating in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mound Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Madison River valley near Madison, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fishing Cone, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) reflected in a pond, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Female pronghorn (Antilocapra americana), Yellowstone National Park, Wyoming, United States of America, North America
Eruption of Castle Geyser with rainbow in the spray, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Panoramic photo of Lower Falls from Uncle Tom's Point, Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Brink of Lower Falls of Yellowstone River, Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blue Funnel spring, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Tourists looking at Seismograph and Bluebell pools, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) calf in front of its mother, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America
Riverside Geyser, Upper Geyser Basin Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Rainbow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Wooden boardwalk and cyanobacteria thermophile formations on Geyser Hill, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Red Fox (Vulpes vulpes) (Vulpes fulva) with prey, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View of Lower Falls from Red Rock Point, Grand Canyon of the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Riverside Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Madison River valley near Madison, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Male Williamson's sapsucker (Sphyrapicus thyroideus), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Black bear (Ursus americanus) coming down from a tree, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America