S3 E2 ∙ The Underwater Prison ∙
An abandoned prison beneath the water, a tunnel in the heart of a mountain, concrete towers hidden in the woods and a rusting coastal relic.
All episodes for series 3 of Abandoned Engineering
S3 E1 · The Desert Ghost Fleet
A group of rusting ships stranded in a desert.
S3 E2 · The Underwater Prison
An abandoned prison beneath the water and a tunnel in the heart of a mountain.
S3 E3 · The Siege of Sarajevo
Concrete channels hidden in a mountaintop forest and a marooned military base.
S3 E4 · Sabotage in the Mountains
A mysterious top-secret facility, a vast Nazi construction and a deserted cityscape.
S3 E5 · Germany's D-Day Fortress
A devastated cliff-top ruin and an extraordinary tall tower.
S3 E6 · Hitler's Wonder Weapon Bunker
Hidden tunnels that saw a city prosper and a sunken wreck with a remarkable past.
S3 E7 · A Ghost Town In Spain
A village ruin, pitted and scarred and a ghostly fleet of ships.
S3 E8 · England's Abandoned Village
A country village hiding a sad secret and a mysterious tower scarred by war.
