Pinterest Facebook Twitter Email Mount Rushmore's Secret 02:55 Is there a secret vault inside Mount Rushmore? Find out. From: Monumental Mysteries and A Mysteries at the Museum Special Similar Topics: History Travel's Best Related Videos The Race to the Heavens 03:13 Grand Central's Mural 03:06 Top 10 Attractions in Denver 03:44 Can a Penny Kill You? 01:44 Blood-Drenched Temples 01:34 Custer State Park 01:40 Mt. Rushmore Maintenance 02:40 Mt. Rushmore National Memorial 02:23 More Videos The Black Hills and Deadwood 01:31 Black Hills & Native Americans 02:09 Fireworks at Mt. Rushmore 01:52 Wind Cave National Park 02:50 Nashville: Top 10 Locals List 06:18 Crazy Horse Memorial 02:09 Nashville's Parthenon 02:36 America's Stonehenge 01:57 Crash at Area 51 01:59 Murder in the Mansion 03:30 Counterfeit Currency 03:41 Remembering Charles Dickens 02:13 Moon Rock Heist 02:44 Excavating Ice Age Fossils 02:59 Combat Sub Sinks Union Ship 03:59 USS Intrepid: Floating Museum 02:25 We Recommend 50 of the Most Charming Small Towns in America 50 Photos America's Best RV Parks Florida's Best Secret Beaches 50 States, 50 Landmarks 50 Photos Bobby Mackey's Haunted History Gettysburg's Haunted History
