- Get Involved
Most Smithsonian museums and the National Zoo are free and open every day of the year except December 25. For hours of operation, see information on planning your visit or select a museum from the list.
Note: Additional Smithsonian exhibitions and events can be found in the S. Dillon Ripley Center on the National Mall.Also Learn About Our Research Centers »
Many visitors are surprised to learn that the Smithsonian Institution includes a number of outdoor museums. All have been designed to complement the museums they border and to enhance the overall museum experience.
From mid-April through September there are weekly garden tours available (weather permitting).