The Channel Islands turn into one of the most heavily fortified places on the planet.
Hitler’s mountain house became a labyrinth crowned by the awe-inspiring Eagle's Nest.
The tide of war in the Pacific has now fully turned against the Imperial Japanese forces.
Designated the Type 21, Hitler's new submarine is a sea-faring super weapon.
When Nazis rolled across France in 1940, it was with a combined speed and ferocity.