Underground Marvels

  • Premieret: Sep 2019
  • Afsnit: 21
  • Følgere: 2
  • Slut
  • U&Yesterday
  • Torsdag på 22
  • Documentary History

Sæsoner:

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Sæsoner 1
1x2
Mystery of the Lost Labyrinth
Episode overview
Udgivelsesdato
Sep 02, 2019
A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.
1x1
Secrets of the Rock
Episode overview
Udgivelsesdato
Sep 25, 2019
A hidden, subterranean city built within the Rock of Gibraltar was an immense fortress to control the seas during World War II, and new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.
1x3
Secrets of the Terror Tunnels
Episode overview
Udgivelsesdato
Okt 31, 2019
A vast system of tunnels built almost three thousand years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.
1x4
The Renegade's Lair
Episode overview
Udgivelsesdato
Nov 07, 2019
A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; today, experts investigate the .. show full overview
1x7
The Maginot Line
Episode overview
Udgivelsesdato
Nov 13, 2019
Treasures of the Lost Mine Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on earth, and experts and treasure hunters use cutting-edge .. show full overview
1x5
Edinburgh Vaults
Episode overview
Udgivelsesdato
Nov 14, 2019
Cave of the Body Snatchers November 14, 2019 Science Channel An eerie system of underground vaults in Scotland was once the hideout for thieves who stole newly-buried bodies .. show full overview
1x6
World's Biggest Labyrinth
Episode overview
Udgivelsesdato
Nov 21, 2019
The world's biggest labyrinth is a 1,553-mile cave system that's home to some of history's darkest mysteries, and new discoveries at this strange place reveal the long-lost secrets of Nazi occupation, Soviet revolution, and Cold War subterfuge.
1x7
Mysteries from Below
Episode overview
Udgivelsesdato
Nov 28, 2019
This episode has no summary.
1x8
Ghosts of the Hell Maze
Episode overview
Udgivelsesdato
Dec 12, 2019
A labyrinth of tunnels in the French countryside has served as a secret hideout during wartime for centuries. On its walls, experts have discovered the final confessions of soldiers who fought here during one of the deadliest days of World War I.
1x9
Conspiracy in the Buried City
Episode overview
Udgivelsesdato
Dec 19, 2019
A buried ancient city hidden five stories underground, and to keep its location secret from invaders, its residents devised an ingenious trick; experts reveal what it was, and using the latest tech, they reveal the truth behind this strange place.
1x10 Sæsonafslutning
Curse of Cannibal Caves
Episode overview
Udgivelsesdato
Dec 26, 2019
A mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.

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