
Megapolis: The Ancient World Revealed
Alexander the Great transformed Alexandria from a village into a thriving city with remarkable urban design.

Alexander the Great transformed Alexandria from a village into a thriving city with remarkable urban design.

See Athens rise from a village to Greece's pinnacle under Pericles, with landmarks that showcased democracy.

In Roman legions, camaraderie sustained soldiers. Excavations in Lyon reveal the piety that guided their life.

Roman legion recruits sought adventure, but in peace, their attention shifted to defending their own cities.

Two contenders stood over the remnants of the Latin Empire, ready to restore the Eastern Roman Empire.

How would the new leaders manage after the Battle of Adrianople?

An army mostly made of Venetian forces started dividing the Eastern Roman Empire.

How and why did the Fourth Crusade end up sacking Constantinople? What were the consequences of these events?

See how pandemics and climate cooling toppled Imperial Rome, ravaging the Empire and sealing its downfall.

Revisit the rise and fall of the Inca Empire with new discoveries that challenge old myths of ruthless giants.

Maya developed a wealthy, regal civilization, then mysteriously disappeared. Researchers search for reasons.

In the 7th century BCE, Egypt was conquered. Out of the ashes rose an army, burning with vengeance.

Led by a great general, the Macedonians would forge an empire that stretched from Greece to the Indus River.

Unflinching discipline was the greatest weapon of the world's greatest army of its time – the Roman Legion.

When the Normans invaded England in 1066, the knights would either win England or be sent to an English grave.

The Celts were as wild as the hills they emerged from – so frightening that foes would turn and run from them.

The Assyrians conquered an empire, plundered Babylon, and enslaved the tribes of Israel.

A trip to Wings Over the Rockies Air and Space Museum for veteran interviews and a training mission.

Hitler's final moments have long seemed beyond reach. But newly revealed archives expose his last thoughts.

Hacking Democracy sheds light on the hackers and people in power orchestrating chaos in populist societies.