Philadelphia CityPASS booklets contain five tickets:
1) The Franklin Institute general admission, including one show at the Fels Planetarium;
2) Phila Trolley & The Big Bus Company, unlimited on/off privileges aboard trolleys and double-decker busses for day of ticket validation;
3) One Liberty Observation Deck Lightning Pass;
4) an Option Ticket, with choice of either Adventure Aquarium general admission OR Philadelphia Zoo general admission.
Save 45% on admission to the top attractions in Philadelphia.
Learn more at http://www.citypass.com/philadelphia/.