CityPass zeros in on the must-see attractions in Philadelphia. You go straight to what you really want to see and do, and SAVE BIG on the price of regular admissions. Includes prepaid admission to The Franklin Institute, Philadelphia Trolley Works & Big Bus Company, Adventure Aquarium, a choice between Philadelphia Zoo OR National Constitution Center; and a choice between the Eastern State Penitentiary OR Please Touch Museum. See more and avoid most ticket lines. CityPASS is good for nine days, beginning with the first day of use — perfect for a weekend getaway or a longer vacation.