To protect occupied Europe from an Allied invasion, Hitler demanded the construction of a defensive wall stretching thousands of kilometers from France in the south to Norway in the north.
Examines the huge concrete submarine pens built by the Nazis to protect their U-boats from Allied bombs. Such was their size and strength, they still survive to this day.
The story of how the work of Nazi scientist Wernher von Braun heralded the birth of ballistic missiles and how the V2 rocket program laid the technological foundations for the space race.
The story of how Nazi engineers responded to Hitler's megalomaniac vision, by building some of the largest tanks and land battleships the world had ever seen.
The story of the revolutionary Messerschmitt Me 262. One of the most technologically advanced aeroplanes of World War II, it was built in a subterranean bat cave.
Investigates the extraordinary defenses and kill zones that surrounded Hitler's bunker in Berlin, a subterranean safe house protected by 13-foot-thick walls.