Nazi Megastructures
U-Boat Base
Season 1 Episode 2 of 6
A look at the concrete submarine pens built by the Nazis to protect their U-boats from allied bombs. The impenetrable safe havens were so huge and strong that they still survive today
Nazi Megastructures airs on National Geographic Channel at 10:00 AM, Tuesday 14 May. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Educational