Mysteries of the Abandoned - 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.
First Air Date : 2017-04-20
Last Air date : 2026-03-11
Runtime : 57 minutes
Genre : Documentary
Cast : Kasper Michaels
Crew :
Quality : 
Subtitles :
- Season 4 : Episode 12019-04-04
- Season 4 : Episode 22019-04-11
- Season 4 : Episode 32019-04-18
- Season 4 : Episode 42019-04-25
- Season 4 : Episode 52019-05-02
- Season 4 : Episode 62019-05-09
- Season 4 : Episode 72019-05-16
- Season 4 : Episode 82019-05-23
- Season 4 : Episode 92019-05-30
