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 Big Thunder Gold Mine 604 Blair Avenue Keystone, SD 57751 Keystone, SD Museums