Wind Cave National Park

Wind Cave National Park is located in the southern Black Hills of South Dakota. The park is home to the world's largest and deepest cave system, as well as one of the world's largest and most complete mixed-grass prairies.

Wind Cave is unique in that it is one of the few caves in the world with a natural entrance and exit. The cave is also home to a variety of rare and endangered animals, including the American bison, the black-footed ferret, and the prairie dog.

Wind Cave National Park offers a variety of activities for visitors, including cave tours, hiking, camping, and wildlife watching. The park also has a visitor center and museum, which offer a variety of educational programs and exhibits.