Locations and Hours
Requirements to enter any of our buildings: Government-issued photo ID such as a driver's license or passport. No reservations required.
National Academy of Sciences Building
2101 Constitution Ave., N.W., Washington, D.C.
Hours: 9 a.m. to 5 p.m. on weekdays. Closed weekends and holidays.
Directions to the NAS Building
NAS Building Visitor's Guide
The Einstein Memorial Visitor's Guide
NAS Great Hall Website
500 Fifth St., N.W., Washington, D.C.
Hours: Lobby accessible to the public 9 a.m. to 5 p.m. weekdays. Closed weekends and holidays.
Keck Lobby Brochure