Ancient cave tombs known as the "houses of fairies."

Mysterious tombstones thought to be remnants of Atlantis.

Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

A beautifully well-preserved ancient Roman villa.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Macabre symbols of death and mummies on display set the tone of this Italian purgatory church.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

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

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Contains some of the world's more disturbing wax anatomical models.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

A preserved dragon's rib that remembers the legend of the founding of the city of Atessa.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

A dilapidated psychiatric facility on the outskirts of Milan where electroconvulsive therapy was developed and Napoleon once lived.

Fountain where visitors can earn a license to be mad.

Explore the quarry where the marble was sourced for Michaelangelo's David.

The only museum with its curator—and her pets—buried inside.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

The oldest botanical garden in the world that technically isn't the oldest.