The Big Bus Company has been operating live-guided, open-top sightseeing tours in London since 1991. Big Bus Philadelphia Now you can experience the unique history and beauty of Philadelphia from the top of an authentic London double-decker. This open-top tour of the city offers spectacular views and entertaining live commentaries from fully trained and friendly guides. See where George Washington served most of his presidency, climb up the Rocky steps in front of the Museum of Art, visit the new-age shops along South Street, see the animals in America’s very first zoo — and much more. See Philly at your own pace by hopping on and off at any of 20 stops, or just sit back and soak in the history and the sunshine!