Having smashed through Poland and France, the German Panzers finally met their match when they took on the Soviet Union's war-winning T-34 tanks.

Hitler orders the largest battleships ever seen. But how long will they last? He also demands fortified bunkers in a bid to protect his U-boats from the Allies.

The story of propaganda maestro Joseph Goebbels and Holocaust architect Heinrich Himmler: two men who built one of the largest social megastructures ever - Nazi Germany.

As US forces spread across the Pacific, Japan threw suicide bombers into action, built the world's biggest battleship and started building deep beneath Okinawa.

Built to hold back the Allies, Hitler set up colossal defences across Norway's coast and lines that stretched across the entire Italian peninsula.

Hitler fast tracked a revolutionary air force in the build-up to WWII, creating two deadly new bombers designed to annihilate the enemy from above.

The story of history's greatest tank battle and how a vengeful Soviet army made the Germans fight for every inch of ground from the Baltic to Berlin.