Conspiracy theorists have long wondered what exactly has been concealed by the U.S. government at Area 51, a large military base located in southern Nevada. National Geographic presents a series of recently declassified photographs of an experimental spy plane which crashed there in 1963. The photographs depict the government's cover up of the crash, and may answer the questions that still exist for many people who have heard a variety of conspiracy theories about the site, most of which relate to government research and concealment of UFOs.
Exclusive Area 51 Pictures: Secret Plane Crash Revealed
Thursday, May 26th, 2011