Abandoned Engineering

Name: Tunnel to the Underworld
Duration: 1 h

Series 4 Episode 5
Tunnel to the Underworld
Duration: 60 minutes
High Definition available
Subtitles available

A West Virginia town that fell victim to change when steam trains became obsolete and an underground complex in Italy that'd been abandoned for nearly 2,000 years.

Contains Mature Themes

S4 E1 · The World's Strangest Ghost Town
A Soviet dream-town that turned into a nuclear nightmare.
S4 E2 · Palace of Death (Aerotrain)
A seemingly endless concrete line stretching through the French countryside.
S4 E3 · Guernsey Nazi Towers
The vast monolithic structures that dominate the small British island of Guernsey.
S4 E4 · Bodie USA
A maze of tunnels filled with haunting remains beneath the streets of Paris.
S4 E5 · Tunnel to the Underworld
An elaborate underground complex in Italy that had been abandoned for nearly 2,000 years.
S4 E6 · Escobar's Ruin
Projects include a ruined compound on the edge of a peninsula in Colombia.
S4 E7 · Villa De Vecchi Rhodes
A formerly luxurious and strategic mountain-top villa on the island of Rhodes.
S4 E8 · Pyramiden Norway
A strange-looking town with a supernatural atmosphere.
S4 E9 · Behind the Berlin Wall Special
Ruins from the time before the fall of the Berlin Wall.
S4 E10 · Bannack USA
A sprawling Wild West ghost town sits peaceful and abandoned in Montana, USA.
S4 E11 · Buckner Building Alaska
A vast project in the icy wilderness of southern Alaska.
S4 E12 · 1936 Olympic Village Berlin
A pioneering complex marked by both glory and tragedy that's soon to be lost forever.