Mysteries of the Abandoned · SEASON 13
D-Day Castle
Episode 5 · 2026-02-25

- Documentary
Episode overview
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.
Season 13 episodes
1. Blood Wedding2026-02-11
2. The Island of No Return2026-02-11
3. The Beer Riot2026-02-18
4. Do-Over Ranch2026-02-18
5. D-Day Castle2026-02-25
6. Japan's Poison Island2026-02-25
7. The Nazis' Last Stand2026-03-04
8. Agent Zigzag2026-03-04
9. Cold War Cover-Up2026-03-11
10. The Invisible Enemy2026-03-18
11. Fort Traitor2026-03-25
12. Churchill's Shadow War2026-03-25