Wind Cave National Park, South Dakota
Swaying prairie grasses, forested hillsides, and an array of wildlife such as bison, elk, and prairie dogs. This is one of our country’s oldest national parks and one of its few remaining intact prairies. Secreted beneath is one of the world’s longest caves, Wind Cave. Named for barometric winds at its entrance, this complex labyrinth of passages contains a unique formation of crystals called boxwork. We took an elevator down 22 stories and then were ...