As the saying goes – they probably seemed like good ideas at the time. The world is peppered with examples of incredible engineering projects and buildings designed to make life easier for those that used them, amaze those that came to see them, and make money for those that ordered, designed and built them. They were the stuff of dreams. Often enormous engineering problems had to be resolved, obstacles overcome and new innovations employed just to get them built in the first place. Alas, a great number of these remarkable structures have now been abandoned, cast aside like enormous expensive out-of-date toys, never to be used in the ways for which they were intended. Each and every one of these extraordinary places is home to a wealth of powerful and compelling stories. We'll see and hear about some of the most spectacular examples of abandoned engineering the world has eve...
Exploring a complex in New Jersey infiltrated by a notorious gang, a tranquil Japanese island with a poisonous legacy, and a top-secret bunker in Lithuania.
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s15e02Hitler's Fortress of Fury2025-12-0320:00⌄
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Hitler's Fortress of Fury
s15e02 ·
2025-12-03 ·
20:00
Exploring a serene institution in Wisconsin seized out of righteous anger, a Spanish settlement stained in innocent blood, and a subterranean lair in France with a disturbing objective.
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s15e03The Nazi's Last Stand2025-12-1020:00⌄
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The Nazi's Last Stand
s15e03 ·
2025-12-10 ·
20:00
Nazi towers in Berlin that were defended to the bitter end by child soldiers, a Chicago institution that was the largest of its kind, and an odd vision in the Malaysian jungle.
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s15e04Suicide Island2025-12-1720:00⌄
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Suicide Island
s15e04 ·
2025-12-17 ·
20:00
Exploring a Dover stronghold transformed during an unprecedented crisis, and a top-secret site in Japan used for wartime missions of no return.
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s15e05London's Burning2025-12-2420:00⌄
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London's Burning
s15e05 ·
2025-12-24 ·
20:00
Exploring a towering structure in London on the banks of the river Thames, witness to the city's darkest days, and a Wisconsin farmstead that brewed up a storm.
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s15e06Cold War Cover Up2025-12-3120:00⌄
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Cold War Cover Up
s15e06 ·
2025-12-31 ·
20:00
Exploring a top-secret military base in Michigan linked to an unexplained disappearance, and a California transportation hub that inspired lasting change.
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s15e07Escape from Dunkirk2026-01-0720:00⌄
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Escape from Dunkirk
s15e07 ·
2026-01-07 ·
20:00
Exploring the nerve centre of a heroic rescue mission in England, a dilapidated mansion in Virginia raided during the Civil War, and a facility in Detroit where a champion made his name.
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s15e08The Invisible Enemy2026-01-1420:00⌄
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The Invisible Enemy
s15e08 ·
2026-01-14 ·
20:00
Exploring a top-secret facility in Scotland besieged by militant protesters, and a small Greek island caught in a chilling web of controversy.
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s15e09Agent Zigzag2026-01-2120:00⌄
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Agent Zigzag
s15e09 ·
2026-01-21 ·
20:00
Exploring a Philadelphia venue that set the stage for era-defining artists, a French compound where a staggering deception was launched, and a the scene of a baffling crime in Malaysia.
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s15e10Peru's Massacre Island2026-01-2820:00⌄
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Peru's Massacre Island
s15e10 ·
2026-01-28 ·
20:00
Exploring a remote Peruvian island besieged by a violent rebellion, a refuge in Nevada that offered hope to its occupants, and a French worker's paradise seized by an invading force.
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s15e11Churchill's Folly2026-02-0420:00⌄
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Churchill's Folly
s15e11 ·
2026-02-04 ·
20:00
Exploring a secret New Jersey facility infiltrated by a Soviet spy ring, an island stronghold besieged by the Nazis, and a palatial compound in Peru frequented by the country's elite.
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s15e12Churchill's Shadow War2026-02-1120:00⌄
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Churchill's Shadow War
s15e12 ·
2026-02-11 ·
20:00
Exploring a secret subterranean network in London that inspired James Bond author Ian Fleming, and an Italian country retreat that was designed to brainwash a generation of children.
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