The Channel Islands turn into one of the most heavily fortified places on the planet.

54:41

Hitler’s mountain house became a labyrinth crowned by the awe-inspiring Eagle's Nest.

54:10

The tide of war in the Pacific has now fully turned against the Imperial Japanese forces.

54:09

Designated the Type 21, Hitler's new submarine is a sea-faring super weapon.

54:10

When Nazis rolled across France in 1940, it was with a combined speed and ferocity.

54:41

Watch the story of one of the greatest fortification systems in the history of warfare.

01:01

Explore the secret caves, bunkers and factories hiding clues to Japan's suicide bombers.

01:00

Discover the history of the sinister and terrifying Nazi cult — the SS.

Explore the secret headquarters at the heart of Hitler's plans for world domination.

00:58

The Channel Islands turn into one of the most heavily fortified places on the planet.

00:30

Hitler’s mountain house became a labyrinth crowned by the awe-inspiring Eagle's Nest.

00:30

The Japanese decide that the island of Okinawa will be their last bastion of defense.

00:30

The Type 21 U-boat was Hitler's ultimate deep sea destroyer.

00:30

At the start of WWII Nazi Germany stuns its enemies by unleashing a new form of warfare.

Learn about a great fortification project of the 20th century, Hitler’s Atlantic Wall.

00:30

Learn how the German Army secretly worked on one of history's greatest fortifications.

00:30

Uncover the secrets of the terrifying weapons Japan sent into war.

00:30