From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know, an audio podcast from HowStuffWorks.com.

Project 1794: A Real-life Flying Saucer

July 5, 201952 min
Flying saucers are perhaps the most iconic genre of UFO -- since the 1940s they've become the mainstay vehicles for extraterrestrials in all sorts of fictional stories. But, according to declassified files, the US Government was intensely interested in building some flying saucers of its own. So far did they get? Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers