Underground Marvels Season 1 Episode 2
Mystery of the Lost Labyrinth
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.
1 - 10Curse of Cannibal CavesDec. 26, 2019- 1 - 9Conspiracy in the Buried CityDec. 19, 2019
- 1 - 8Ghosts of the Hell MazeDec. 12, 2019
- 1 - 7Treasures of the Lost MineDec. 05, 2019
- 1 - 6World's Biggest LabyrinthNov. 21, 2019
- 1 - 5Cave of the Body SnatchersNov. 14, 2019
- 1 - 4The Renegade's LairNov. 07, 2019
- 1 - 3Secrets of the Terror TunnelsOct. 31, 2019
- 1 - 2Mystery of the Lost LabyrinthOct. 24, 2019
- 1 - 1Secrets of the RockOct. 17, 2019
