Adventure Pass Adventure Pass is an online program that allows library patrons to use their library cards to visit area attractions, museums, and parks for free. The Details Only one pass is available per location per day. The pass is for 2 adult admissions and 2 children admissions. A pass is available for library card holders on a first-come first-served basis and may be reserved up to 90 days in advance by cardholders 18 and older. The library currently has a pass for the Science Center of Iowa, Blank Park Zoo, Des Moines Children’s Museum, The Perry Grand Theatre, and the McCreary Community Building. A printed pass is required for entry. A pass may be reserved one time per year for each location per adult library cardholder. The institution may check your ID. The name on the printed pass must match the name on the ID of the adult using the pass. To cancel a reservation, please call the library at 515-465-3569 prior to closing the day before your visit.