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Underground Marvels
TV show

Underground Marvels

6.5Returning SeriesTV-PG9 episodes

Historians, engineers, ​and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

Documentary
Watch
Start from S1E4

Seasons

Season 1Season 2

Episodes

The Renegade's Lair
S1 E4
The Renegade's Lair
Nov 7, 2019

A strange underground system known as the Black Cave was home to an infamous nobleman on the run from the law; today, experts investigate the secrets he left here to discover new parts of this mysterious network.

Cast

Crew

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