
TV-PG
2019
Science & Nature
Adventure
Labyrinth of the Dead
Season 4, Episode 4
: 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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About the Series
Mysteries of the Abandoned
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.

1. Jungle of the Damned
New discoveries reveal why an infamous prison in the Amazon was built and why it...

2. American Atlantis
Destroyed by floods, an abandoned town in the Nevada desert holds the ruins of a...

3. Haunting of Heartbreak Castle
Experts investigate the secrets of a haunted, mysterious castle that was once a ...

4. Kingdom of the Vanished
Experts reveal what caused people to abandon a mysterious South African town and...

5. Journey to Outcast Island
On a desolate island near Greece lies evidence of a group of people who were for...

6. Secrets of the Doomsday Caves
New discoveries reveal why an eerie network of subterranean bunkers was built in...

7. The Devil's Prison
Experts reveal evidence of ghostly secrets in a haunted prison in West Virginia.

8. Curse of Satan's Catacombs
New discoveries reveal what really happened in a system of caves in England.
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Season 4, Episode 4 - Labyrinth of the Dead
Release Year:
2019
Rating Information:
TV-PG
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Plans start at $9.99/month.