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S4 E4 4/25/19

Labyrinth of the Dead

Tunnels filled with human bones lie beneath the streets of Paris, and this horrifying engineering marvel points to a dark secret. New discoveries reveal why this grisly underground death maze was built, and why it was abandoned.

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Jun 9
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The Latest

Discovery Exploration

Seasons

Episode   1

World's Strangest Ghost Towns

Episode   2

Secret of Supervillain Island

Episode   3

Escobar's Castle

Episode   4

Labyrinth of the Dead

Episode   5

Treasure of Outlaw Valley

Episode   6

Alaska's Fort Apocalypse

Episode   7

Alien Hell Portal

Episode   8

Pompeii's Gate to Hell

Episode   9

Haunting on Plague Island