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America's Hidden Training Camp
s04e09 · 2025-08-07
Running · US
Mysteries of the Abandoned: Hidden America
Discovery Documentary
What it is
Scattered across the United States are abandoned structures, forgotten ruins of the past, and monuments to a bygone era. Each one shines a light on the story of this land and its people, revealing the secrets of a hidden America.
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Episode guide
6 this season · 30 totals01e01 Lake Delores Waterpark 2022-11-11 01:00
Lake Delores Waterpark
An eye-catching collection of graffiti-covered structures that were once the Lake Delores Waterpark, a pioneering entertainment attraction now standing derelict in California's Mojave Desert. Experts investigate and reveal the revolutionary remnants of America's first waterpark.
s01e02 Abundant Life Building 2022-11-18 01:00
Abundant Life Building
The Abundant Life Building, a curiously designed, windowless building adorned with gold-tinted diamond shapes, now stands derelict in Tulsa, Oklahoma. Experts investigate and uncover the controversial religious figure Oral Roberts and the headquarters behind his pioneering form of American TV evangelism.
s01e03 Remains of the Super Guppy 2022-12-02 01:00
Remains of the Super Guppy
A monstrous airplane that helped America reach new, historic heights sits decommissioned in Tucson, Ariz. Experts investigate and reveal the Super Guppy, one of the most important aircraft of the 20th century with its contribution to the Apollo spaceflight program.
s01e04 Black Hills Ordinance Depot 2022-12-09 01:00
Black Hills Ordinance Depot
A sprawling military facility dotted with bunkers for miles now stands abandoned in the American heartland of Edgemont, South Dakota. Experts investigate and uncover the Black Hills Ordinance Depot, a once highly-secure WWII ordnance site designed to store deadly munitions.
s01e05 Rebirth of Amboy 2022-12-16 01:00
Rebirth of Amboy
Amboy, a derelict ghost town in California, shows a curious revitalization along an iconic highway in the Mojave Desert. Experts investigate and reveal a once thriving and bustling Route 66 stopover being resurrected into a historic Americana destination.
s01e06 Secrets of the SS United States 2022-12-23 01:00
Secrets of the SS United States
The SS United States, a historic sea vessel once considered the pinnacle of American engineering, now rusts in the Delaware River at Philadelphia, Pennsylvania. Experts investigate the fastest passenger liner ever constructed and a masterpiece of marine architecture that doubled as a U.S. warship.