Category
page 1Yellowstone Caldera
Yellowstone National Park
first national park in the world, located in Wyoming, Montana, and Idaho in the United States
Yellowstone volcano
volcanic caldera in Yellowstone National Park in the United states
Yellowstone Lake
lake in Teton County, Wyoming, United States
Lava Creek Tuff
rock formation in Wyoming, Montanan and Idaho
1959 Hebgen Lake earthquake
earthquake in southwestern Montana, United States in 1959