Underground Marvels

Underground Marvels

Mystery of the Lost Labyrinth (1x2)


Air date: 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.

  • Premiered: Sep 2019
  • Episodes: 21
  • Followers: 2
  • Ended
  • U&Yesterday
  • Thursday at 22