S1 E3 ∙ Villa Winter: Secret U-Boat Base? ∙
The Spanish island of Villa Winter, which was suspected of being a port for German U-boats and part of a larger plan to invade the United States.
All episodes for series 1 of Secret Nazi Bases
S1 E1 · Guernsey: Hitler's Island Madness
Uncovering and examining hidden structures built by the Nazis.
S1 E2 · Maisy Batteries: A D-Day Coverup?
Recently-excavated trenches, bunkers, barracks and gun encasements near Pointe du Hoc.
S1 E3 · Villa Winter: Secret U-Boat Base?
The Spanish island of Villa Winter, suspected of being a port for German U-boats.
S1 E4 · Kraftwerk Nord West
One of the largest Nazi bunkers ever constructed, outside the French town of Watten.
S1 E5 · Dag Bromberg: A City in the Forest
A massive complex containing more than 1,000 structures in Poland.
S1 E6 · Bergkristal: The Atomic Threat
A secret weapons program in Austria that could have ended badly for the Allies.
