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

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

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.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

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

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

A Milanese café entirely designed by the American director Wes Anderson.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

An Italian hillside ghost town.

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

Renaissance villa and gardens complete with a tormented colossus.

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

This large, circular tomb is the final resting place of the first emperor of Rome.

Architectural monsters are devouring this palace's every door and window.

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