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
Keck Center
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
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