A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

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.

David Sedaris called it "The greatest shop in the world."

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

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

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

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The oldest operating pharmacy in the world features 800-year-old recipes.

Geothermal waterfalls in Tuscany.

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

Stalactites and stalagmites in a beautifully lit cave.

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

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

Architectureal fantasy quarter of Rome.

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

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

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

A rare example of an octagonal Catholic church.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The decaying remains of a 1960s mechanical wonderland that never officially closed.