lien body parts powerful religious artifacts.UFO wreckage. what exactly is hidden behind heavily guarded doors? Inspired by Syfy's hit series Warehouse 13, NBC News award-winning journalist Lester Holt goes on a global expedition to uncover the truth behind the world's top secret, mysterious warehouses where super-classified objects are kept. In , Holt capitalizes on exclusive access to restricted sites, traveling from Area 51 in Nevada to deep inside the Vatican secret archives -- the centerpiece of Dan Brown's Angels and Demons -- interviewing informants, Washington decision-makers, former top military personnel and leading experts. Among his findings: A high-level informant who describes huge underground tunnels beneath military installataions, victims of unauthorized government experimentation, and a former US Air Force pilot ordered to shoot down a UFO inEngland. With input from world renowned theoretical physicists, Vatican officials, anthropologists and experts on Area 51, Holt will explore the darkest corners of the places where the world's secrets hide. What will he discover? Tune in to find out.

Starring:

Hank Albarelli Jr., Glenn Campbell, Luca Carboni, Robert Collins, Lester Holt, Michio Kaku, Paul Levinson, Katherine Olmsted, John Podesta, Jonathan Turley

Genre:

Documentary