The Minox camera, an essential Cold War tool (Courtesy International Spy Museum)
Site dedicated to the craft, practice and history of espionage around the world. Artifacts like a WWII German Enigma cipher and an East German camera for seeing through walls. Exhibits on spy rings of World War II, Cold War spy games, intel training. Interactive activities like real-life-based hunt for Osama bin Laden. $16.95-$26.95. Open daily.