Badlands National Park

Badlands National Park is an American national park in southwestern South Dakota. The park protects of sharply eroded rocks, and the largest undisturbed prairie in the United States. The National Park Service manages the park. The South Unit is co-managed with the Oglala Lakota tribe.
The Badlands Wilderness protects of the park as a designated wilderness area. It is a site where the black-footed ferret, one of the most endangered mammals in the world, was reintroduced to the wild. 
The South Unit, or Stronghold District, includes sites of 1890s Ghost Dances, a former United States Air Force bomb and gunnery range, and Red Shirt Table, the park's highest point at .
Authorized as Badlands National Monument on March 4, 1929, it was not established until January 25, 1939. Badlands was redesignated a national park on November 10, 1978. 
The park also administers the nearby Minuteman Missile National Historic Site. The movies "Dances with Wolves" (1990) and "Thunderheart" (1992) were partially filmed in Badlands National Park.