11 Season
120 Episode
Mysteries of the Abandoned - Season 6 Episode 8 The Thing on Hell Mountain
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.
- Year: 2024
- Country: United States of America
- Genre: Documentary
- Studio: Science
- Keyword: architecture, abandoned, abandoned mine, architecture history, abandoned building
- Director: Philip Grossman
- Cast: Kasper Michaels