When did Underground Marvels Season 1 Episode 2 air?
Underground Marvels Season 1 Episode 2 aired on October 24, 2019.
Underground Marvels
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Season 1 · Episode 2
Mystery of the Lost Labyrinth
Oct 24, 2019·45m
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.
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Direct answers for episode-level questions and details.
How long is Underground Marvels Season 1 Episode 2?
This episode runs for approximately 45 minutes.
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