An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

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

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

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

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

Fortified medieval tower house with lovely roof garden.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

Walk through a fairytale in Tuscany.

A gorgeous medieval library where the books are kept in chains.

Renaissance villa and gardens complete with a tormented colossus.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

Geothermal waterfalls in Tuscany.

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

Water and windows define this defensive Italian well.

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

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.

Ruins of a 10th century church tucked away deep in a botanical garden.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

Largest necropolis in the Mediterranean.

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