Yellowstone National Park is a national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana...

The Yellowstone Caldera, sometimes referred to as the Yellowstone Supervolcano, is a volcanic caldera and supervolcano in Yellowstone National Park in...

structures and recreation in Yellowstone National Park. Exploration Cook–Folsom–Peterson Expedition - 1869 exploration of Yellowstone river and lake Washburn–Langford–Doane...

shared borders of the Yellowstone Dutton Ranch, a large cattle ranch, the Broken Rock Indian reservation, Yellowstone National Park, and land developers...

is the 50-square-mile (130 km2) area in the Idaho section of Yellowstone National Park in which, as a result of a reported loophole in the Constitution...

and stretching east from the Rocky Mountains in the vicinity of Yellowstone National Park. It flows northeast to its confluence with the Missouri River...

Hole. Grand Teton National Park is only 10 miles (16 km) south of Yellowstone National Park, to which it is connected by the National Park Service–managed...

1872, creating Yellowstone National Park. Yellowstone was the first national park in the US and is considered to be the first national park in the world...

Yellowstone Lake is the largest body of water in Yellowstone National Park. The lake is 7,732 feet (2,357 m) above sea level and covers 136 square miles...

The bison are American bison of the Plains bison subspecies. Yellowstone National Park may be the only location in the United States where free-ranging...