Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

During World War II, this rice mill became a Nazi concentration camp.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

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

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

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

Ancient snack bar of the Roman Empire re-opened.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.