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 Fireworks at Mt. Rushmore 01:52 Mt. Rushmore Maintenance 02:40 More Videos Wind Cave National Park 02:50 The Black Hills and Deadwood 01:31 Black Hills & Native Americans 02:09 Mt. Rushmore National Memorial 02:23 Nashville: Top 10 Locals List 06:18 Crazy Horse Memorial 02:09 Nashville's Parthenon 02:36 America's Stonehenge 01:57 Inside Capone's Haunted Cell 02:37 Combat Sub Sinks Union Ship 03:59 First Nuclear Test in History 02:29 Byrd's Perilous Arctic Flight 02:54 Part of Earhart's Plane Found? 04:05 Deadly Legionnaires' Disease 03:45 Did a Cow Cause Chicago Fire? 02:51 See Shrunken Human Heads 04:00 We Recommend 50 of the Most Charming Small Towns in America 50 Photos Florida's Best Secret Beaches America's Best RV Parks 50 States, 50 Landmarks 50 Photos Wonders of the West 10 Photos Bobby Mackey's Haunted History
