Pinterest Facebook Twitter Email Mystery of Columbus 01:47 Josh Gates explores the hidden truth behind Christopher Columbus. From: Josh Gates, Expedition Unknown and Columbus: Legend or Liar? Similar Topics: History Travel's Best Related Videos Mystery of the Black Dahlia 02:39 A Blood-Stained Knife 02:59 Visit the Back Bay 01:07 A Plea for Mercy in Salem 02:38 Fun in Historic Philadelphia 02:19 Audubon's Mysterious Bird 02:42 Circling the Skies 02:45 Invention of the Microwave 03:01 More Videos Secrets of Einstein's Brain 02:40 Escape From Alcatraz 03:38 Woolworth Building Secrets 02:42 Jack the Ripper in NY? 02:39 Sabre Tooth Trap 02:51 Red Adair 02:34 The Apollo 1 Tragedy 03:04 Flour Dust Explosion 03:05 Make Your Own Moonshine 01:53 Learn about Market Hunters 02:08 Founding of the Secret Service 02:24 JFK's Assassination Hit List 02:29 Liberty Bell Refuge 01:24 The Invention of Cable TV 02:44 An Unwitting Assassin 03:42 Don Explains: The Rosenbergs 00:29 We Recommend Josh Gates Returns With New Episodes Of Expedition Unknown