Pinterest Facebook Twitter Email Fun in Historic Philadelphia 02:19 Philadelphia is most famous for its significant historic sites and icons. Similar Topics: History Travel's Best Related Videos Secrets of Einstein's Brain 02:04 The Original Siamese Twins 02:59 Liberty Bell Refuge 01:24 The Real Rocky 03:09 Amazing Robot From 1928 Draws 02:34 Audubon's Mysterious Bird 02:42 Million-Dollar Nickel 02:58 Theremin's Amazing Invention 01:13 More Videos Remembering Charles Dickens 02:13 Inside Capone's Haunted Cell 02:37 See Shrunken Human Heads 04:00 Deadly Legionnaires' Disease 03:45 Audubon's Masterpiece 04:28 A Nearly Tragic Tale 02:51 The Poison Squad 02:00 Harnessing the Force 03:15 Too Heartbreaking to Bear 02:31 Discovery of Vulcanization 03:06 Century Inn Presidential Stay 02:07 Vampire Killing Kit 02:54 Don Explains: PA Daily Numbers 00:33 Allegheny Arsenal Explosion 02:34 America's First Bank Robbery 02:33 Kidnapping by Bicycle Pete 02:15 We Recommend 50 of the Most Charming Small Towns in America 50 Photos Scariest Halloween Attractions 21 Photos Haunted Bed and Breakfasts Bobby Mackey's Haunted History Eastern State Haunted History Wonders of the West 10 Photos
