CPNAS - Cultural Programs of the National Academy of Sciences
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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.
Closed on December 25, January 1, January 15, and February 19

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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