Mysteries of the Abandoned Alien Hell Portal (Season 4, Episode 7)
TV-PG
TV Episode | 42 min | Documentary

Mysteries of the Abandoned

Alien Hell Portal (Season 4, Episode 7)

TV-PG

TV Episode | 42 min | Documentary

A strange complex of tunnels on the grounds of a bizarre mansion were under lock-and-key for a century, and since its rediscovery, some believe its mysterious place is a gate to hell. New discoveries reveal its secret purpose and why it was abandoned.

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Cast	+ Add Cast
14 cast members

Name	Known for
Mathilde Almesh Self / estate tour guide Self / estate tour guide See fewer	Abandoned Engineering (2016)
James S. Corum Self / military historian (as Dr. James Corum) Self / military historian (as Dr. James Corum) See fewer	Secrets of War (1998)
Chorafitus Eleftherios Self / Rhode resident Self / Rhode resident See fewer	Abandoned Engineering (2016)
Henry Ford Self (archive footage) Self (archive footage) See fewer	Upcoming Ford Project (2021)
David Fuerst Self / National Park Ranger Self / National Park Ranger See fewer	Abandoned Engineering (2016)
Andrew Gough Self / historian and author Self / historian and author See fewer	Conspiracies Decoded (2020)
Dougal Jerram Self / earth scientist (as Professor Dougal Jerram) Self / earth scientist (as Professor Dougal Jerram) See fewer	How the Earth Works (2013)
James Meigs Self / author and journalist (as Jim Meigs) Self / author and journalist (as Jim Meigs) See fewer	Popular Mechanics: Saturday Mechanic (2012)
Kasper Michaels Narrator Narrator See fewer	Strange Luck (1995)
Benito Mussolini Self (archive footage) Self (archive footage) See fewer	Hundred Days (1935)
Fran Scott Self / scientist Self / scientist See fewer	Massive Engineering Mistakes (2019)
Dominic Selwood Self / historian and author Self / historian and author See fewer	Revelation (2001)
Shini Somara Self / engineer (as Dr. Shini Somara) Self / engineer (as Dr. Shini Somara) See fewer	Crash Course: Physics (2016)
Charlotte Tomlinson Self / Cornwall National Trust site manager Self / Cornwall National Trust site manager See fewer	Abandoned Engineering (2016)