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 Amazing Robot From 1928 Draws 02:34 The Original Siamese Twins 02:59 Audubon's Mysterious Bird 02:42 Liberty Bell Refuge 01:24 Secrets of Einstein's Brain 02:04 The Real Rocky 03:09 Million-Dollar Nickel 02:58 Deadly Legionnaires' Disease 03:45 More Videos See Shrunken Human Heads 04:00 Remembering Charles Dickens 02:13 Theremin's Amazing Invention 01:13 Inside Capone's Haunted Cell 02:37 Harnessing the Force 03:15 Discovery of Vulcanization 03:06 A Nearly Tragic Tale 02:51 Audubon's Masterpiece 04:28 The Poison Squad 02:00 Too Heartbreaking to Bear 02:31 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 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
