The Washington site claims to be the world's first public museum dedicated to the history and the contemporary role of espionage.
In development since 1996, the exhibits will include School for Spies, an introduction to the world of espionage and Spies Among Us, an exhibit featuring films examining espionage during World War II.
A German Enigma Cipher Manchine, explosive coal and a coat with a buttonhole camera are among the exhibits. Details: www.spymuseum.org