Abandoned Engineering — Season 15
Ambitious engineering projects that have been left in ruins.
About this season
These are some of the most spectacular examples of abandoned engineering the world has ever known. The series explores how and why they were built, consider the financial and social costs of their failure and examine the environmental and ecological impacts. The series also explores how experts came up with plans to make something beautiful or useful from the ruins.
Episodes (12)
1. Japan's Poison Island
Aired 26 November 2025 • 44 min
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 raided in the name of freedom.
2. Hitler's Fortress of Fury
Aired 3 December 2025 • 44 min
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.
3. The Nazi's Last Stand
Aired 10 December 2025 • 44 min
Exploring 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.
4. Suicide Island
Aired 17 December 2025 • 44 min
Exploring a Dover stronghold transformed during an unprecedented crisis, and a top-secret site in Japan used for wartime missions of no return.
5. London's Burning
Aired 24 December 2025 • 44 min
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.
6. Cold War Cover Up
Aired 31 December 2025 • 44 min
Exploring a top-secret military base in Michigan linked to an unexplained disappearance, and a California transportation hub that inspired lasting change.
7. Escape from Dunkirk
Aired 7 January 2026 • 44 min
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.
8. The Invisible Enemy
Aired 14 January 2026 • 44 min
Exploring a top-secret facility in Scotland besieged by militant protesters, and a small Greek island caught in a chilling web of controversy.
9. Agent Zigzag
Aired 21 January 2026 • 44 min
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.
10. Peru's Massacre Island
Aired 28 January 2026 • 44 min
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.
11. Churchill's Folly
Aired 4 February 2026 • 44 min
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.
12. Churchill's Shadow War
Aired 11 February 2026 • 44 min
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.