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 Liberty Bell Refuge 01:24 The Original Siamese Twins 02:59 Amazing Robot From 1928 Draws 02:34 Secrets of Einstein's Brain 02:04 Audubon's Mysterious Bird 02:42 The Real Rocky 03:09 Million-Dollar Nickel 02:58 See Shrunken Human Heads 04:00 More Videos Deadly Legionnaires' Disease 03:45 Remembering Charles Dickens 02:13 Inside Capone's Haunted Cell 02:37 Theremin's Amazing Invention 01:13 Too Heartbreaking to Bear 02:31 Harnessing the Force 03:15 Discovery of Vulcanization 03:06 A Nearly Tragic Tale 02:51 The Poison Squad 02:00 Audubon's Masterpiece 04:28 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 A Deadly Bank Robbery 02:18 We Recommend America's World Heritage Sites 21 Photos 11 Haunted Former Asylums And Their Unsettling Pasts 10 Photos 50 States, 50 Landmarks 50 Photos Top 10 Haunted Places in Baltimore 10 Photos Scariest Halloween Attractions 21 Photos Best Fireworks Displays 20 Photos
