Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities right under our feet.

Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilisation on Earth.

Jun-Jul 1944: Three weeks after D-Day, the Allied advance has stalled. The killing fields around Hill 112 become the start of a brutal war of attrition that the Nazis cannot afford to wage.

We discover how Hitler's master spy Wilhelm Canaris was both a committed Nazi and a double agent who provided secrets to the Allies and helped Jews escape from Germany.

Divers hunt for the wrecks of WWII's longest campaign that lie off Ireland's Northwest coast as historians explore the Allied fight back at sea and the human cost of war.

June 1944: A stretch of beach overlooked by fortified cliffs created a devastating baptism of fire. Failed plans, missed opportunities and courage make this frontline a major turning point in WWII.

Rising 80 metres above Athens, the Acropolis is a high-speed engineering feat forged in an age of war and political ambition. This episode decodes the logistics behind the Parthenon.

The war in Europe is transformed when Hitler unleashes Operation Barbarossa on the 22nd of June 1941; the Nazi invasion of the Soviet Union has begun.

Warfare has always driven the development of technology; from penicillin and pioneering plastic surgery to the development of the internet and GPS, we rank the most influential inventions of warfare.

Known as the Butcher of Poland, Hans Frank warped the law to encourage persecution, enslavement, starvation, and genocide - we want to know more.

Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.

Don goes deep beneath the Great Lakes and explores flooded caves as he searches for evidence of a mysterious cave-dwelling society that may have been the first people to reach America.

Don uses new mapping technology to expose the dark and deadly uncharted spaces beneath American cities.

Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities right under our feet.

Japanese troops occupy southern Vietnam and Cambodia, but the day that changes the war comes on December 7th when Japanese aircraft attack the American Pacific Fleet at anchor in Pearl Harbor.

From the super-dreadnought battleships of the First World War to the stealth submarines of the Cold War, maritime vessels have proved decisive in the fight for naval supremacy.

A team of experts investigate the methods Hitler used to indoctrinate Germany, turning it into a finely-tuned war machine; we visit Goebbels' Propaganda Ministry and the holiday park of Prora.

How did Cleopatra die? Where is her tomb located? To get closer to the answers, one must understand ancient Egyptian funerary rites. Leading experts help us decipher the traditions of Cleopatra's era.

Jun-Jul 1944: Three weeks after D-Day, the Allied advance has stalled. The killing fields around Hill 112 become the start of a brutal war of attrition that the Nazis cannot afford to wage.

Neuschwanstein is Louis II of Bavaria's 19th-century fairy-tale castle that inspired Walt Disney. Inside, medieval fantasy hides modern innovation: steel beams, plumbing, and central heating.

We discover how Hitler's master spy Wilhelm Canaris was both a committed Nazi and a double agent who provided secrets to the Allies and helped Jews escape from Germany.

Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities right under our feet.

Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilisation on Earth.

Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs who fled Mexico and disappeared somewhere in America.