Open daily except Christmas, 10:00 AM - 5:30 PM.
The Museum will extend its hours until 7:30 PM in summer. Please check our calendar for a list of exact dates.
Admission is free to the museum and programs, except the Butterfly Pavilion, which is free Tuesdays only, and the IMAX Theatre.
The Museum is located at the intersection of 10th Street and Constitution Ave., NW in Washington, D.C. 20560 (Mailing Address)
To learn more about accessibility at the Museum, click here.
The ATM machine is located in on the Ground Floor in Evans Gallery and across from the Museum Express Store.
A family room is located on the First Floor and adjacent to the East Courtyard restrooms.
The Health Unit is located on the Ground Floor in the North (Constitution Avenue) Lobby next to the Ladies Restroom.
The Health Unit’s hours of operation are:
- Monday to Friday – 7:30 AM – 4:00 PM (6:00 PM for the interval between Memorial Day and Labor Day)
- Weekends and Holidays – 10:00 AM – 6:00 PM
Pay phones are located on the First Floor next to the East Court restrooms.
The Security Office is located on the Ground Floor in the North (Constitution Avenue) Lobby next to the elevators. To learn more about Smithsonian Security and Policies, click here.