Please note: The Great Ape House will be closed to visitors on Thursday, April 3.
Due to technical difficulties, we cannot process online payments. Free Entry Passes are still available and visitors may purchase Parking Passes at the Zoo (subject to availability).
On March 2, 1889, President Grover Cleveland signed a bill passed by both Houses that officially established the National Zoo and allocated funds for the purchase of land. To celebrate its 125th Anniversary, the Smithsonian's National Zoo is proud to bring back the animal that sparked the...