Black Hills National Forest Visitor Center US Highway 385 Rapid City, SD 57701 Rapid City, SD Visitors Centers Black Hills Speedway 2467 E 39th Street Rapid City, SD 57701 Rapid City, SD Speedways Museum of Geology 501 E St Joseph Rapid City, SD 57701 Rapid City, SD Museums Sitting Bull Crystal Caverns 13745 S Highway 16 PO Box 1760 Rapid City, SD 57709-1760 Rapid City, SD Caving Happy Holiday Campground 8990 S Highway 16 Rapid City, SD 57701 Rapid City, SD Campgrounds