Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Hundreds of skulls and bones at the largest skeleton museum in the country.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

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

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

A beautifully well-preserved ancient Roman villa.

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

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

Virgil's many-mouthed gateway to the underworld.

A tree that defies gravity grows in an ancient ruin.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

Caligula's colossal pleasure ships, discovered by Mussolini only to be lost in flames.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

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

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

One of the most important yet well-hidden museums dedicated to the history of medicine.

A huge enchanting public park just outside the ancient walls of Rome.

Roman-era ships unearthed...

Gods clash with machines in a power plant regenerated as a museum.

An Italian ghost town that fought obscurity, until a mysterious illness brought it to its knees.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.