S2 E2 ∙ Britain's Sea Fort Complex ∙
Seven huge steel boxes stand rusting in the Thames Estuary. Hear how the Red Sands sea fort was once Britain's first line of defence against the Nazis.
Seven huge steel boxes stand rusting in the Thames Estuary. Hear how the Red Sands sea fort was once Britain's first line of defence against the Nazis.
The Politz synthetic fuel plant in Poland, once a Nazi complex, is now a derelict site.
Now derelict, the Red Sands sea fort was originally built to deter the Nazis.
Hear the story of the disused Vajont Dam in Italy, the site of a tragic disaster in 1963.
Hear how the abandoned military facilities in Farnborough played a vital role in WWII.
What secrets does the abandoned Canfranc Railway Station in the Pyrenees hold.
Henry Ford's Fordlandia Rubber Town was once a symbol of the American dream.
The Georg Thiele was a technological masterpiece, but now it is a shipwreck.
Petrobras Viaduct seemingly leads nowhere. Who built it and why?