Nazi Megastructures S1E3: U-Boat Base
- Aired: 2013-11-25
- Time: 22:00:00
- Runtime: 60 minutes
Overview
To create a safe haven in port for their lethal U-boat submarines, the Nazis built massive, impenetrable submarine pens that still survive today.
To create a safe haven in port for their lethal U-boat submarines, the Nazis built massive, impenetrable submarine pens that still survive today.