The sunken town of Baiae in Italy is one of the most extraordinary Roman sites in the world. Many of its grand villas remain frozen in time, lying on the seabed of the Bay of Naples. Geologists think this town was drowned by a super volcano. Today marine archaeologists are diving beneath the waves to uncover its secrets. They’re using laser scanning to map Baiae’s beautiful mosaics, cobbled streets and fabulous statues.

Ancient writers say that Baiae was an emperor’s playground and exclusive resort for Rome’s rich and famous. Is there more to this underwater metropolis than meets the eye?

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