Mysteries of the Abandoned · SEASON 13
The Invisible Enemy
Episode 10 · 2026-03-18
- Documentary
Episode overview
Inspect 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.
42 minutes
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
