Pinterest Facebook Twitter Email Allegheny Arsenal Explosion 02:34 What caused the tragic explosion at the PA arsenal during the Civil War? From: Mysteries at the Museum and Reagan's Limousine and Keely’s Motor Similar Topics: History Travel's Best Related Videos Century Inn Presidential Stay 02:07 Liberty Bell Refuge 01:24 The Original Siamese Twins 02:59 Amazing Robot From 1928 Draws 02:34 The Real Rocky 03:09 Secrets of Einstein's Brain 02:04 Fun in Historic Philadelphia 02:19 Audubon's Mysterious Bird 02:42 More Videos Million-Dollar Nickel 02:58 Don Explains: PA Daily Numbers 00:33 Vampire Killing Kit 02:54 A Deadly Bank Robbery 02:18 Kidnapping by Bicycle Pete 02:15 Brilliant Lottery Scam 04:13 A Life-Saving Vaccine 02:47 Cannibalism in the Arctic 03:54 Lottery Fraud 03:34 Deadly Legionnaires' Disease 03:45 See Shrunken Human Heads 04:00 Theremin's Amazing Invention 01:13 Remembering Charles Dickens 02:13 Inside Capone's Haunted Cell 02:37 Harnessing the Force 03:15 Too Heartbreaking to Bear 02:31 We Recommend Wonders of the West 10 Photos 50 States, 50 Landmarks 50 Photos 50 of the Most Charming Small Towns in America 50 Photos The World's Best River Cruises 11 Photos Summer Olympics Through the Years 26 Photos America's Best Dinosaur Exhibits
