Archaeologists hunt for clues to how the mysterious Inca conquered much of South America, and why, when Europeans arrived, the mighty empire crumbled.

In this two-part series, we reveal the devastation inflicted on medieval Europe by the 14th-century outbreak of the plague that remains the deadliest recorded pandemic in history.

In this two-part series, we reveal the devastation inflicted on medieval Europe by the 14th-century outbreak of the plague that remains the deadliest recorded pandemic in history.

Deep within the forests of East Prussia, a sprawling Nazi complex became the nerve centre of Hitler's war machine; these secure facilities became the site of a daring plot against the Fuhrer.

The crucifixion of Jesus changed the world; how much of our understanding of this event is true, and what answers can be found in the Holy Land to back up the Bible's story?

Deep within the forests of East Prussia, a sprawling Nazi complex became the nerve centre of Hitler's war machine; these secure facilities became the site of a daring plot against the Fuhrer.

In this two-part series, we reveal the devastation inflicted on medieval Europe by the 14th-century outbreak of the plague that remains the deadliest recorded pandemic in history.

By 5:00pm on the 2nd of May, 1945, the last guns stopped firing among the ruins of Berlin as the iconic image of the Soviet Red Flag rising above the Reichstag symbolised an irreversible change.

The tank became the key to victory during WWII; Germany unveils its latest evolution of the German panzer, the Panther, but is it ready for battle, and is it enough to overcome the Soviet T-34?

Margarete Himmler and Lina Heydrich stood beside two of the Nazi regime's most ruthless architects. Through prejudice and chilling loyalty, they helped normalise a world built on terror and genocide.

Once the most powerful empire in history, Rome collapsed in 476 A.D. / C.E. - but was it truly the barbarian invasions that ended it? We uncover some deeper causes such as plagues and climate shifts.

The Carthaginian Empire was a Mediterranean superpower that dominated trade and warfare, but Rome annihilated it in 146 B.C. / B.C.E; what led to its downfall?

The Great Pyramids stand as a testament to Egypt's power, but the Old Kingdom collapsed by 2200 B.C. / B.C.E; what caused the fall of the Pyramid Age?

Bulgaria is a treasure trove of history and culture; join Bettany as she embarks on an adventure meeting local people, sampling their cuisine, and learning about their cherished customs along the way.

Japan stood at a crossroads after the Hiroshima and Nagasaki bombings; on the 14th of August, 1945, Emperor Hirohito retreated to his office bunker to record a message announcing Japan's surrender.

Tanks continued to evolve and older tanks found a new life on the Pacific battlefront; with the end of WWII in Europe in sight, anything went in the peak of experimentation of tank design.

In 1609, in the Basque Country, a local dispute turned into accusations of witchcraft. Between the 15th and 17th centuries, up to 60,000 people were condemned. Historians find out what really happened.

In this two-part series, we reveal the devastation inflicted on medieval Europe by the 14th-century outbreak of the plague that remains the deadliest recorded pandemic in history.

The Berlin Olympics of 1936 were innovative, introducing television coverage and the torch relay. We show the highlights, but also how Hitler used the Games as propaganda for his brutal regime.

In the shadows of the Villa Oplontis, slave quarters, amphora, and Villa B recall the lives of the enslaved. The bodies of Vesuvius' victims are reminders of Rome's strict social hierarchy.

Heinrich Himmler, the head of the SS, built an organisation of terror rooted in racial fantasy and Nordic mythology. As Nazi Germany crumbled, his desperate bid for power ended in disgrace.

Once the most powerful empire in history, Rome collapsed in 476 A.D. / C.E. - but was it truly the barbarian invasions that ended it? We uncover some deeper causes such as plagues and climate shifts.