Related link  "The Cia Has a Museum?” by James Loewen

Osama bin Laden’s assault rifle. A singed al-Qaeda training manual. A desiccated rat corpse designed to pass secret messages. A letter from an American operative on a sheet of Adolf Hitler’s personal stationery. A painting of the real story behind “Argo.” And a remote-controlled robotic dragonfly that may be the ancestor of today’s drones.

These are some of the things on display at the Central Intelligence Agency’s astonishing private museum in Langley, Va.

Yahoo News got an exclusive on-camera guided tour of what could be the coolest collection you’ll probably never get to see. It’s burrowed deep inside CIA headquarters just outside Washington, DC, secreted away behind the thick layers of security that stand between the George Bush Center for Intelligence and the public, protecting America’s top secrets from prying eyes.