Mudpots in Yellowstone National Park, Wyoming, USA
Hot spring in Yellowstone National Park, Wyoming, USA
Hot spring shrouded in steam, Yellowstone National Park, Wyoming, USA
Geothermal feature in Yellowstone National Park, Wyoming, USA
Boiling mudpot in Lassen Volcanic National Park, California, USA
Geyser erupting in Yellowstone National Park, Wyoming, USA
Mudpot or hot spring in Yellowstone National Park, Wyoming, USA
Geothermal area in Yellowstone National Park, Wyoming, USA
Fumarole raising from a blue pool
Close-up of hot spring
Grand Canyon of Yellowstone River, Yellowstone National Park, Wyoming, USA
River running through canyon in Yellowstone National Park, Wyoming, USA
Guardian Geyser erupting, Yellowstone National Park, USA
USA, Wyoming, Yellowstone National Park, Excelsior Geyser
USA, Wyoming, Yellowstone National Park, hot spring
Lemon Spring, Thermal hot spring along Firehole Lake Drive, Yellowstone National Park, Wyoming, USA
USA, Yellowstone National Park, Riverside Geysir with rainbow
USA, Wyoming, Yellowstone National Park, Mammoth Hot Springs Terrace, Rock face
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring
USA, Wyoming, Yellowstone National Park, Firehole Spring
USA, Wyoming, Sunset Lake, Yellowstone National Park
USA, Wyoming, Yellowstone National Park, Geyser field
Grand Canyon of Yellowstone River and Lower Yellowstone Falls, Yellowstone National Park, Wyoming, USA
イエローストーン国立公園
イエローストーン国立公園のホットプール
イエローストーン国立公園の間欠泉
USA, Wyoming, Mammoth Hot Springs, Yellowstone National Park
USA, Wyoming, Yellowstone National Park, rising steam at Firehole Lake
USA, Wyoming, Yellowstone National Park, Morning Glory Pool, aerial
Norris Geyser Basin, Yellowstone National Park, Wyoming, USA
イエローストーン国立公園のマンモスカントリー
Forest after snowfall, Yellowstone National Park, Wyoming, USA
USA, Yellowstone National Park, Bisuit Basin, Sapphire Pool
USA, Yellowstone National Park, Bisuit Basin, eruption of Jewel Geyser
USA, Wyoming, Yellowstone National Park, geyser
Geyser Pool, Yellowstone National Park, Montana And Wyoming
USA, Yellowstone National Park, Biscuit Basin
USA, Yellowstone National Park, boardwalk through Biscuit Basin
USA, Yellowstone National Park, Firehole River, Biscuit Basin
イエローストーン国立公園の地熱地帯
イエローストーン国立公園のモーニンググローリープール
Chief Joseph Scenic Byway, Wyoming, USA
Elevated walkways at Midway Geyser Basin in Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park, Hot spring
Bison herd, Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park, Cliff Geyser erupting in the Black sand basin
Mammoth hot springs and terraces of calcium carbon deposit, Yellowstone National Park, Wyoming, USA
USA, Yellowstone National Park, Black Sand Basin, Emerald Pool
USA, Yellowstone National Park, Black Sand Basin, steaming Rainbow Pool
USA, Wyoming, Yellowstone National Park, Lower Geyser Basin, Firehole Lake Drive, Great Fountain Geyser
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring at Midway Geyser Basin
USA, Wyoming, Yellowstone National Park, Blue Star Spring near Old Faithful Geyser
USA, Wyoming, Yellowstone National Park, Hot Spring at Upper Geyser Basin
Sage brush, Yellowstone National Park, Wyoming, USA
Geysers, Yellowstone National Park, aerial photograph
Yellowstone National Park, Wyoming
USA, Yellowstone National Park, Norris Geyser Basin
Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park, Firehole River near steaming geysers
Lower Yellowstone Falls, Yellowstone National Park, Wyoming, USA
Dead trees in a geyser basin of Yellowstone National Park, Wyoming, USA
Yellowstone River in winter, Yellowstone National Park, Wyoming, USA
Yellowstone Lake after snowfall, Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park
USA, Yellowstone Park, Firehole Spring
USA, Wyoming, Yellowstone National Park, Mammoth Hot Springs Terrace
USA, Wyoming, Yellowstone National Park, Dead tree in landscape
American bison in Lamar Valley, Yellowstone National Park, Wyoming, USA
Mammoth Hot Springs under snow, Yellowstone National Park, Wyoming, USA
The wooden entrance sign to Yellowstone National Park, USA.
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring with dead trees, close-up
USA, Wyoming, Yellowstone National Park, boardwalk at West Thumb Geyser Basin
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring, elevated view
View of White dome geyser at Yellowstone National Park
View of Lion Geyer area at Yellowstone National Park
U.S. President Chester A. Arthur and Party Crossing Gros Ventre River, Yellowstone National Park, Wyoming, USA, Photograph by Frank J. Haynes, 1883
Maiden's Grave Spring, Yellowstone National Park, USA
Geyser, Yellowstone National Park
USA, Wyoming, Yellowstone National Park, Grand Canyon with Lower Yellowstone Falls
USA, Wyoming, Yellowstone National Park, Emerald Pool, Black sand basin
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring at sunset
USA, Wyoming, Hayden Valley, Yellowstone National Park, Yellowstone Lake
USA, Wyoming, Yellowstone National Park, Geyser
Cracked earth, full frame
Boiling mud pool, Yellowstone National Park, USA
White Dome Geyser, Yellowstone National Park, USA
Juvenile Killdeer (Charadrius vociferus) on calcium deposit at mammoth hot springs, Yellowstone National Park, Wyoming, USA
USA, Wyoming, Yellowstone National Park, Grand Prismatic Spring with puffy clouds
Geothermal activity, and plumes of vapour and steam rising from the ground in Yellowstone National Park, Wyoming
A boardwalk extending across the Midway Geyser in Yellowstone National Park.
Woodpecker peering out of hole in birch tree, Yellowstone National Park, Wyoming, USA
USA, Wyoming, Norris Geyser Basin, Yellowstone National Park, Norris Geyser Basin
Geothermal activity, Yellowstone National Park, USA, aerial
USA, Wyoming, Mammoth Hot Springs, Yellowstone National Park, Upper Terraces, Canary Spring