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Smithsonian National Museum of American History - http://americanhistory.si.edu/
A collection of more than 3 million artifacts displayed in exhibits and within the archives that focuses on American history and culture, and includes public and educational programs. |
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International Spy Museum - http://www.spymuseum.org/
The story of spies, intelligence operations and deceptions that changed the course of history. |
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National Postal Museum - http://www.postalmuseum.si.edu/
Dedicated to the preservation, study and presentation of postal history and philately through stamps and objects. |