Yellowstone National Park Yellowstone National Park Yellowstone National Park is an American national park located in Wyoming, Montana, and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone was the first national park in the U.S. and is also widely held to be the first national park in the world. The park is known for its wildlife and its many geothermal features, especially Old Faithful geyser, one of its most popular features. It has many types of ecosystems, but the subalpine forest is the most abundant. It is part of
Wyoming Territorial Prison State Historic Site Wyoming Territorial Prison State Historic Site The Wyoming Territorial Prison is a former federal government prison near Laramie, Wyoming. Built in 1872 it is one of the oldest buildings in Wyoming. It operated as a federal penitentiary from 1872 to 1890, and as a state prison from 1890 to 1901. It was then transferred to the University of Wyoming and was used as an agricultural experiment station until 1989. In 1991 the facility was opened to the public, and in 2004 was designated as Wyoming Territorial Prison State Historic Site. The prison was built in 1872 and began accepting prisoners