The Doomsday-esque North Dakota Bunker
To be clear, this is not a doomsday bunker... it just looks like one. This bizarre trapezoid concrete building is apparently used to measure weather patterns and seismic waves. Sure, it really just looks like a doomsday bunker but we'll take the government's word for it. Rumors that have swirled in the nearby North Dakota counties say it was used as a national missile defense system at one point. That makes more sense!
The Hitler Conspiracy
There are so many conspiracy theories surrounding World War II and Hilter's death. The most popular theory is that Hitler is actually alive and living somewhere in South America. This photo surfaced of Hitler looking "older" which caused the CIA to do a quick investigation. Turns out, this was just a photoshopped picture of Hitler. The CIA still took the picture into consideration and left it in their files. Therefore, it was also "declassified."