Pinterest Facebook Twitter Email Combat Sub Sinks Union Ship 03:59 Discover the H.L. Hunley, the first combat submarine used in naval warfare. From: Don Wildman, Mysteries at the Museum and Anthrax, Marilyn Monroe, Hunley Submarine Similar Topics: History Travel's Best Related Videos See Charleston's Museums 02:20 A Nuclear Nightmare 02:45 Adam Visits the Marketplace 03:04 Moon Rock Heist 02:44 California 'Venus' Shot Dead 02:25 USS Intrepid: Floating Museum 02:25 Excavating Ice Age Fossils 02:59 The Invention of Chewing Gum 03:02 More Videos The Bombing of the Thinker 02:44 The Coney Island Sideshow 02:21 Part of Earhart's Plane Found? 04:05 Deadly Legionnaires' Disease 03:45 See Shrunken Human Heads 04:00 A Life-Saving Vaccine 02:47 Cannibalism in the Arctic 03:54 Byrd's Perilous Arctic Flight 02:54 Captured U-Boat Helps Win WWII 02:37 Small Coupon, Huge Fraud 04:20 Did a Cow Cause Chicago Fire? 02:51 Was Marilyn Monroe Murdered? 02:16 Inside Capone's Haunted Cell 02:37 Salton Sea Disaster 02:48 Meet Balto, Hero Sled Dog 03:17 A Deadly Maritime Tragedy 02:44 We Recommend Most Psychic Places in America Downton Abbey Tours Halloween Around the World Top US Off-Road Destinations 9 Photos All Aboard the New York Botanical Garden's Holiday Train Show Poveglia Island's Haunted History