Every Thursday evening from May 31 to Aug. 30 these museums keep their doors open until 8, with the Hirshhorn offering jazz concerts on the plaza. 600 Constitution Ave. 2001CitySearch Inc. All rights reserved. Perly Inc. The textual, graphic, audio, and audiovisual material in this site is protected by United States copyright law and international treaties. You may not copy, distribute, or use these materials except as necessary for your personal, non-commercial use.
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