- 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!
America's Field Trip
Engaging students nationwide to celebrate America’s 250th anniversary!
This contest invites students in grades 3–12 to share their perspectives on what America means to them — and earn the opportunity to travel for field trip experiences at some of the nation’s most iconic historic and cultural landmarks.