City Under the Ice: The Secret Nuclear Tunnels of Project Iceworm

Deep beneath the desolate Greenland ice sheet, the U.S. Army built "Camp Century"—a sub-glacial city complete with a nuclear reactor, a theater, and a hidden mission. While the world saw a polar research station, the Pentagon was secretly planning a massive 2,500-mile tunnel network to house 600 nuclear missiles aimed at the Soviet Union. This episode uncovers the audacious engineering of this "Iceworm" and the terrifying reason why nature eventually forced the Army to abandon its frozen fortress