Rushmore Cave Rushmore Cave Rushmore Cave is the closest show cave to Mount Rushmore National Memorial in the United States. It contains a wide variety of natural formations. It is the ninth longest cave in South Dakota. It measures a distance of . It was discovered in 1876 when a log flume that supplied water to mining operations in town of Hayward broke and spilled onto the side of the hill. As the water flowed down the hill it started flowing into a small hole in the hillside. The local miners who went up to fix the flume noticed this abnormality and
Virginia State Route 263 Virginia State Route 263 State Route 263 (SR 263) is a primary state highway in the U.S. state of Virginia. Known as Orkney Grade, the state highway runs from SR 659 in Orkney Springs east to U.S. Route 11 (US 11) in Mount Jackson. SR 263 connects Mount Jackson with a resort area in the mountains of southwestern Shenandoah County. SR 263 is a Virginia Byway. SR 263 begins at the eastern end of Shrine Mont Circle, a loop that is designated SR 659 and serves Shrine Mont, an Episcopal Diocese of Virginia retreat that hosts the annual Shenandoah Valley