A collection of objects supposedly singed by the hands of souls in purgatory.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This 16th-century monastery has been turned into a surrealist architecture compound.

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

An Italian hillside ghost town.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

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

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Thousands of well-dressed mummies below a monastery.

Geothermal waterfalls in Tuscany.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

Stalactites and stalagmites in a beautifully lit cave.

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

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

A 16th-century horror show built in a lovely Italian garden.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The underground sanctuary of a mysterious ancient cult.

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

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