National Parks, Monuments and Memorials MINUTEMAN MISSILE NATIONAL HISTORIC SITE This park hosts the once top-secret and only remaining components of the expansive nuclear missile fi eld that was once located in southwestern South Dakota. The visitor center, Delta-09 missile silo, and tours of the Delta-01 Launch Control Facility provide a rare glimpse into the Cold War era. NEARBY CITIES Wall and Kadoka Jewel Cave National Monument JEWEL & WIND CAVES Travel into an underground oasis at Jewel Cave, the third-longest cave in the world, and Wind Cave, the sixth-longest cave in the world. With tours ranging from nature walks to wild caving adventures, Jewel Cave National Monument and nearby Wind Cave National Park feature rare subterranean specimens like unusual box work, frostwork, and popcorn formations, and stalactites, stalagmites and calcite crystals. NEARBY CITIES Custer and Hot Springs Minuteman Missile National Historic Site Missouri River MISSOURI RIVER Bisecting South Dakota north to south, the Missouri River was a primary waterway on which early explorers, fur trappers and steamboats traversed the state. Today, tamed by giant dams, the Missouri is favored by fi shermen, recreational boaters, sail boaters and jet skiers. Explore the Lewis and Clark Information Center at Chamberlain for details on the explorers’ journey through the state. NEARBY CITIES Mobridge, Pierre, Chamberlain and Yankton 8 #HiFromSD