This magical-looking island is notorious for the misfortunes suffered by its owners.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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

An eerie, little-known Neapolitan museum filled with preserved human remains.

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

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Built to be the ideal penitentiary, this abandoned panopticon saw several revolts and even a prisoners' coup.

A founding document of the European Union was written on an island where Roman emperors once banished women.

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

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

Virgil's many-mouthed gateway to the underworld.

Production site for handmade clay bricks.

The underground sanctuary of a mysterious ancient Roman religious cult contains an exquisite traditional fresco.

This Roman amphitheatre was also the location of the first gladiator school.

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

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

An abandoned 1920s school with a mysterious history.

One of the last active volcanoes on the Eastern seaboard.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.