Two investigative reporters track down reports of giant rats in a city sewer system.
Sun Tunnels documents the making of Holt's major site-specific sculptural work. Completed in 1976, the sculpture features a configuration of four concrete "tunnels" 8 feet long and 9 feet in diameter.
A group of intrepid filmmakers explore the abandoned subway tunnels beneath New York City in search of the mole people.
Undisturbed for over 20 years, this remote forested island in the Pacific Northwest is visited by a group of campers on horseback. The camp tranquility is broken by violence and terror.
Two-part documentary following World War I's biggest archaeological dig, taking place at Messines in Belgium, uncovering some of the best-preserved trenches, bunkers and tunnels ever discovered on the Western Front and revealing the realities of trench warfare, a Christmas football match and poison gas.