Yellowstone National Park
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Yellowstone National Park is a national park of the United States located in the northwest corner of the state of Wyoming, with small portions of it extending into Montana and Idaho. It was establishe
Grand Canyon of the Yellowstone
Exposed rock at Obsidian Cliff
Colter's Hell near Cody, Wyoming, one of the first geothermal sites to be spotted by mountain men
Hayden Geological Survey at Yellowstone Lake. Illustration by William Henry Jackson, 1871
The Greater Yellowstone Ecosystem is one of the last remaining large, nearly intact ecosystems in the northern temperate climate zone. It is located within the central Rocky Mountains, in areas of nor
Bison grazing near Gibbon River at Madison in Yellowstone National Park.
Current (top) and projected (bottom) distribution of whitebark pine (Pinus albicaulis) in Yellowstone National Park.