Yellowstone National Park is located primarily in Wyoming, but extends into parts of Montana and Idaho. Established as a National Park on March 1, 1872, it was the first national park in the world. It is known for its large variety of wildlife and…

Small geyser cone at Yellowstone National Park, Wyoming.

Shoshone Dam near the entrance to Yellowstone Park, Wyoming.

Mammoth Hot Springs at Yellowstone National Park, Wyoming.

Geyser cones at Yellowstone National Park, Wyoming.

Geyser cone at Yellowstone National Park, Wyoming.

Castle Geyser in eruption at Yellowstone National Park, Wyoming.

Bridge over Yellowstone River above the falls at Yellowstone National Park, Wyoming.

Boiling Spring at Yellowstone National Park, Wyoming.

Black and white photograph of six people standing next to the Upper Falls at Yellowstone National Park (mile 17459).

Black and white lantern slide of the Yellowstone Lower Falls taken from the Uncle Tom Trail.

Black and white photograph of two bears by the Fountain Hotel, Yellowstone National Park.