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 Audubon's Mysterious Bird 02:42 Secrets of Einstein's Brain 02:04 The Real Rocky 03:09 The Original Siamese Twins 02:59 Amazing Robot From 1928 Draws 02:34 Liberty Bell Refuge 01:24 Million-Dollar Nickel 02:58 Remembering Charles Dickens 02:13 More Videos See Shrunken Human Heads 04:00 Inside Capone's Haunted Cell 02:37 Theremin's Amazing Invention 01:13 Deadly Legionnaires' Disease 03:45 Audubon's Masterpiece 04:28 Harnessing the Force 03:15 The Poison Squad 02:00 A Nearly Tragic Tale 02:51 Too Heartbreaking to Bear 02:31 Discovery of Vulcanization 03:06 Century Inn Presidential Stay 02:07 Don Explains: PA Daily Numbers 00:33 Vampire Killing Kit 02:54 Allegheny Arsenal Explosion 02:34 America's First Bank Robbery 02:33 Kidnapping by Bicycle Pete 02:15 We Recommend America's World Heritage Sites 21 Photos 50 of the Most Charming Small Towns in America 50 Photos Eastern State Haunted History Bobby Mackey's Haunted History 50 States, 50 Landmarks 50 Photos Wonders of the West 10 Photos
