Custer State Park, South Dakota: where bison roam free (PHOTOS)

Custer State Park is a state park and wildlife reserve in the Black Hills of southwestern South Dakota, USA. The park is South Dakota's largest and first state park, named after Lt. Colonel George Armstrong Custer. Nearly 1,300 bison, commonly called buffalo, roam the prairies and hills of Custer State Park, which they share with swift pronghorn, shy elk, sure-footed mountain goats and curious burros.