Triple R Ranch Highway 16A Keystone, SD 57751-0124 Keystone, SD Ranches Spokane Creek Cabins and Campground 24631 Iron Mountain Road Keystone, SD 57751 Keystone, SD Campgrounds Mount Rushmore/National Park Service Keystone, SD Landmarks National Presidential Wax Museum 609 Highway 16A Keystone, SD 57751 Keystone, SD Museums Beautiful Rushmore Cave 13622 Highway 40 Keystone, SD 57751 Keystone, SD Archaeology