- Free
- Smithsonian Institution Building (The Castle)
1000 Jefferson Drive SW
Washington, District of Columbia 20560
The Smithsonian Institution Building, known as the “Castle,” is pausing its first major renovation in more than 50 years to re-open for America's 250th birthday.
The Castle will reopen to the public from Memorial Day through Labor Day in 2026 and feature a visitor’s center, café, shop, and special exhibition. More details to come!