Hidden Beneath the Cities · SEASON 1
Hidden Hypogeum and Lost Letters
Episode 3 · 2026-05-01

- Documentary
Episode overview
Investigate a tomb in Naples that may contain a prince who inspired the legend of Dracula. Read the desperate letters of Jewish rebels hidden in an Israeli cave, tour a 6,000-year-old labyrinth in Malta, and see the oldest human burial in Africa.
45 minutes
Season 1 episodes
1. Underground Cities and Secret Chambers2026-04-24
2. Crystal Cathedrals and Buried Bunkers2026-04-24
3. Hidden Hypogeum and Lost Letters2026-05-01
4. Tunnels and Tombs2026-05-01
5. Labyrinths and Legends2026-05-08
6. Subterranean Secrets and Forgotten Foundations2026-05-08
7. Buried Battleship and Viking Victims2026-05-15
8. Bones Beneath and Coffins & Coins2026-05-15
9. Subterranean Seoul and Railway Revealed2026-05-22
10. Secret School and Concealed Castle Cemetery2026-05-22