Mysteries of the Abandoned S6E8 - The Thing on Hell Mountain
            
              7.3/10 by 22 users
            
            
              A massive, alien-like fortress built into a mountainside is the central node to a network of pipelines that race outwards like tentacles; behind-the-scenes access reveals the secrets of why this strange complex was built and why it was abandoned. 
            
          | Released | Apr 20, 2017 | 
|---|---|
| Runtime | 42min | 
| Genre | Documentary | 
| Actor | Kasper Michaels | 
| Director | Philip Grossman | 
| Production | Travel Channel |