Season 13
12 episodes · Feb 11, 2026
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- S13E1
Blood Wedding
Feb 11, 2026A serene institution in the American Midwest, seized in righteous anger, a subterranean lair in France designed with a disturbing objective, a Spanish settlement concealing a story of forbidden love and ruthless retribution.
- S13E2
The Island of No Return
Feb 11, 2026In New Jersey, a symbol of American pride and dominance; a top-secret site in Japan used for wartime missions of no return, an Italian town, whose residents were given lethal advice by government officials.
- S13E3
The Beer Riot
Feb 18, 2026A compound in Seattle linked to a high-profile military scandal, a concrete shell in London that fell victim to the city’s largest explosion, a Wisconsin farmstead known for its brewing history, and a hilltop stronghold in Greece that faced the wrath of a sultan.
- S13E4
Do-Over Ranch
Feb 18, 2026Revisit an isolated Peruvian prison where a notorious riot took place and see a revolutionary sanctuary in a Las Vegas park. Learn how a Paris monument became a labor nightmare, then investigate a Sicilian paradise lost in the wake of a disaster.
- S13E5
D-Day Castle
Feb 25, 2026Unearth a wartime nerve center in Dover that made the UK proud, then visit a mansion caught in the crosshairs of the Civil War. Dig up an Estonian ruin's connection to Catherine the Great and explore the arena where Joe Louis boxed his way to fame.
- S13E6
Japan's Poison Island
Feb 25, 2026An investigation centres on a New Jersey racetrack run by a notorious gang, a destructive legacy on a remote Japanese island, a Soviet bunker for a Lithuanian takeover and the pivotal facility that launched Motown's top artists.
- S13E7
The Nazis' Last Stand
Mar 4, 2026Nazi towers in Berlin, defended to the bitter end by child soldiers; a Chicago institution, once the largest of its kind in the world; an eccentric vision in the Malaysian jungle; and a complex in San Francisco, born from the ashes of tragedy.
- S13E8
Agent Zigzag
Mar 4, 2026An iconic Philadelphia venue that set the stage for era-defining artists; a French compound, where a staggering deception was launched; and a Malaysian mansion, the scene of a baffling crime.
- S13E9
Cold War Cover-Up
Mar 11, 2026In Michigan, a top-secret military base embroiled in an unexplained disappearance; an Italian wonderland, shattered by links to the Mafia; a California transportation hub that inspired lasting change; and a Croatian complex drawn into a brutal conflict.
- S13E10
The Invisible Enemy
Mar 18, 202642mInspect a Scottish site that became a military flashpoint; an Oklahoma ruin where Native American cultural genocide took place; look inside a crumbling Greek house of horrors and an Oregon military facility that once battled an imaginary enemy.
- S13E11
Fort Traitor
Mar 25, 202642mLook at a New Jersey complex that once housed a military lab targeted by Soviet spies; examine a scarred Welsh coastline exploited for building materials; trek to a Greek WWII disaster site and a Peruvian palace with a dark secret.
- S13E12
Churchill's Shadow War
Mar 25, 202642mA London tunnel complex from World War II and a New Jersey aviation disaster site are explored; the tour includes a former English industrial center and an Italian forest with unmarked graves.