This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

Pilgrimage site for star-crossed lovers.

A collection of objects supposedly singed by the hands of souls in purgatory.

Thousands of well-dressed mummies below a monastery.

The oldest operating pharmacy in the world features 800-year-old recipes.

The world's most active stratovolcano is almost always erupting.

A submerged archeological park still holds the wonders of a Roman Sodom.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The glowing blue Nymphaeum of Emperor Tiberius.

This clifftop arch is a natural stunner.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Behind a grungy bodega facade, a Poblano family serves rich, home-cooked meals.

Visit the monolithic tomb of America's most famous general.