
Requirements to enter any of our buildings: Government-issued photo ID such as a driver’s license or passport.
National Academy of Sciences Building
Effective March 24, 2025, and until further notice.
The NAS Building is closed to the public. Only visitors with an appointment for a specific meeting or purpose will be allowed entry via the C Street entrance.
Guided Tours
Tour the NAS Building on select Fridays from 11 a.m. to 12 p.m. A government-issued photo ID and advance registration is required. For more information and to register, visit the Events section of the website.
The Einstein Memorial Visitor’s Guide
Keck Center
500 Fifth St., N.W., Washington, D.C.
Hours: Closed to the public.
Pictured: The NAS Building, photo © 2012 by Maxwell MacKenzie.