Mysteries of the Abandoned Season 7 Episode 5 - Factory of Death

Airdate: 2021-Jan-14

Episode summary:

A deserted facility in the remote countryside features mysterious graffiti that may be highly advanced mathematical equations pointing to a dark secret; experts investigate this classified military wasteland with a deadly past. 

About Mysteries of the Abandoned series:

Some of the world's most incredible engineering projects now lie in ruins. These deserted places are home to extraordinary mysteries and untol...Show more >