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.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Rummage through this sunken ship, but leave your scuba gear at home.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

An unassuming secret door once led to a legendary watering hole.

There must be a pun in this haystack somewhere...