The "truth is in there" as in the Nevada Test and Training Range near Groom Lake, better known as Area 51. Where the name came from isn't even known, other than it may come from its close proximity to the Nevada Nuclear Test Sites – all the various test sites were divided into number-designated areas by the Atomic Energy Commission after World War II.
While "Area 51" doesn't exactly appear on any public map and still isn't fully acknowledged by the U.S. government, it isn't really the secret as movies and TV would have you believe. The CIA even officially acknowledged its existence in August 2013 – but offered little more.
There (likely) aren't alien spaceships at the base, but since 1955 when the Central Intelligence Agency (CIA) and the United States Air Force (USAF), along with defense contractor Lockheed Martin chose the then ultra-remote site to test the newest and most advanced aircraft, there have been rumors to what exactly goes on at "Area 51."
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