CityPass zeros in on the must-see attractions in Chicago. 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 Shedd Aquarium, Skydeck Chicago (Fast Pass entry), The Field Museum, a choice between Museum of Science and Industry - Chicago, OR the 360 Chicago Observatory (Fast Pass entry); and a choice between the Adler Planetarium OR Art Institute of Chicago. 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.