Water and windows define this defensive Italian well.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

Every inch of this chapel is covered in craftsmanship from across the world.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Cave shrine on Monte Pellegrino.

Thousands of well-dressed mummies below a monastery.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

Italian cave with exceptional acoustics and an unsavory history.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

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

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

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

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

An amazing collection of wax anatomical models and terratological models.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.