Hadrian's Wall is the biggest structure the Romans ever built. Stretching 73 miles across Britain, it once defined the northern edge of the greatest empire the world had seen. Now experts investigate the Wall, its forts, gatehouses, and garrison towns to reveal how civilization and culture grew on Rome's wild frontier. Their surprising discoveries show what life – and death - were like on the dynamic and ever-changing edge of the empire.

An all-female cast of archeologists explore the Colosseum of Rome, the Stabian Baths in Pompeii, a newly discovered amphitheater at Volterra, and beneath the Bay of Naples in the ancient resort of Baiae.