In America, behind the public facade of nine of our most famed institutions and landmark structures, there is another world that is hidden from view.

The most famous UFO case of all time is the alleged UFO crash in the desert of Roswell, New Mexico in 1947. Did humanity make its first contact with alien life that dark starry night? Dive into a shocking and complicated mystery that spans decades and continents. Discover leaked CIA memos and the ex-army officers who fought to keep top secret information from the public... but nothing can remain hidden forever.

An investigative special chronicling former CIA operative Barry Eisler, journalist Steve Volk, and filmmaker Chris Garetano's exploration into the conspiracies and accusations that surround an abandoned military base known as Camp Hero.

Since 1945, hundreds of thousands of military personnel became human guinea pigs in experiments and intentional exposures conducted by the U.S. government--often without their knowledge or consent.

In the late 1950s, the U.S. secretly began development of atomic powered rockets.

Looks at the airline known as Air America, secretly owned and operated by the CIA.