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 The Original Siamese Twins 02:59 Liberty Bell Refuge 01:24 Audubon's Mysterious Bird 02:42 The Real Rocky 03:09 Amazing Robot From 1928 Draws 02:34 Secrets of Einstein's Brain 02:04 Million-Dollar Nickel 02:58 Inside Capone's Haunted Cell 02:37 More Videos See Shrunken Human Heads 04:00 Deadly Legionnaires' Disease 03:45 Theremin's Amazing Invention 01:13 Remembering Charles Dickens 02:13 A Nearly Tragic Tale 02:51 Too Heartbreaking to Bear 02:31 The Poison Squad 02:00 Harnessing the Force 03:15 Discovery of Vulcanization 03:06 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 Kidnapping by Bicycle Pete 02:15 We Recommend 50 of the Most Charming Small Towns in America 50 Photos Scariest Halloween Attractions 21 Photos 50 States, 50 Landmarks 50 Photos Historic San Francisco 10 Amazing After-Dark Adventures 10 Photos Moundsville's Haunted History
