Unearthed: Season 5, Episode 5

5 - 5: Pompeii's Evil Twin

The lost Roman city of Baiae, situated on the northwest shore of the Gulf of Naples, was the Las Vegas of the ancient world -- until a mysterious calamity caused it to sink into the sea. New discoveries reveal the secrets of this sin city that, like Pompeii, some experts believe was destroyed by a supervolcano.