The ancient Romans were unaware of the massive danger posed by a volcano in their midst, so when Mount Vesuvius erupted in A.D. 79, thousands of people scrambled to escape several small seaside towns.

Pompeii, the ancient Roman city buried by ash and lava in 70 AD, has unearthed a new treasure -- a private bathhouse built 2,000 years ago, decorated with sumptuous mosaics and equipped with a series ...