Watch Treasures Decoded

The Sphinx, the Shroud of Turin, El Dorado, and other ancient mysteries.

After over a thousand years of rule, the mighty Roman Empire was finally brought to its knees in the 5th century by the barbaric Huns, led by the infamous Attila. At least that's what we've been led to believe by ancient Roman writers. But a shocking discovery at a 1,600-year-old cemetery in Mozs, Hungary is changing history as we know it. See how the unearthing of 51 strangely shaped skulls triggered a groundbreaking archaeological investigation that is revealing a new version of the fall of Rome...by those who experienced it firsthand.

No single civilization has had more impact on history than the ancient Greeks. But how it all started has always been shrouded in mystery. But now, a remarkable new discovery is revealing the mysterious origins of one of history's greatest cultures. See how the discovery of a 3,500-year-old tomb of a warrior-king plus a hoard of treasures from the age of myths and legends is helping a team of archaeologists piece together the story of how ancient Greece sprang into life and destroyed the even older Minoan civilization in the process.

The discovery of a submerged, 9,000-year-old stone circle may reveal the mysterious origins of Stonehenge.

In 2015, an archaeological investigation of an ancient Scottish battlefield uncovered a vast array of ballistic weaponry. X-ray scans revealed it came from a secret weapon called a manuballista, the Roman Empire's equivalent of an assault rifle. Military experts believe it was more accurate and more deadly than any other in the ancient world, but does reality match the legend? us as we reconstruct this terrifying killing machine to test its true power and to demonstrate how it stamped out resistance and paved the way for Rome's domination.

Canopus was a sacred city, beloved by Cleopatra and shaped not only by ancient Egyptians, but by Greeks, Romans, and Christians for millennia. And then it was gone...submerged beneath the waves by a series of earthquakes, floods, and rising seawater. Now, thanks to a unique, cutting edge excavation, the lost city of Canopus has been found, startling the archaeological world and revealing new secrets about this bustling, brilliant city and the saints, sinners, pharaohs, and emperors who occupied it.