The Emperor Tiberius' palace of debauchery.

Pompeii's less famous neighbor is still revealing her secrets.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

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

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

Italian cave with exceptional acoustics and an unsavory history.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

This unique building in the main square stands out among the city's typically Baroque architecture.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

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

Every inch of this chapel is covered in craftsmanship from across the world.

Thousands of well-dressed mummies below a monastery.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

Giant marble phalluses on the sacred island of antiquity.

A two thousand year old brothel uncovered in Northern Greece.

The hallucinogenic center of the ancient world.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

This legendary city has been a tourist attraction for centuries.

Historic funicular railway, believed to be the shortest railroad in the world.