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  • Science

Mysteries of the Abandoned

  • 2017 – 2026
  • Returning Series
  • Documentary
  • ~42m / ep
  • 13 seasons
  • 7.3/10

Documentary series investigating why some of the world's most advanced architectural achievements were abandoned.

Latest: Season 13 · 2026

View all seasons
  1. E1. Blood Wedding

    Feb 11, 2026

    A 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.

  2. E2. The Island of No Return

    Feb 11, 2026

    In 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.

  3. E3. The Beer Riot

    Feb 18, 2026

    A 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.

  4. E4. Do-Over Ranch

    Feb 18, 2026

    Revisit 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.

  5. E5. D-Day Castle

    Feb 25, 2026

    Unearth 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.

  6. E6. Japan's Poison Island

    Feb 25, 2026

    An 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.

+6 more episodes — open all seasons to browse every episode.