S4 E5 ∙ Tunnel to the Underworld ∙
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.
G
Contains Mature Themes
All episodes for series 4 of Abandoned Engineering
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.
