One, one year family membership.  Your annual Family Pass will provide yearlong family fun and memories, discounts on Zoo education programs and camps, special Members Only events, a 10% discount at the Zoo's gift shops and free or discounted admission to over 180 other zoos, aquariums and wildlife centers throughout the U.S. and Canada. Your pass entitles you to list EITHER two adults and your children or grandchildren living at the same address.  OR you may list one adult and your children (or grandchildren) living at the same address and one adult guest.