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

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

Cave shrine on Monte Pellegrino.

An abandoned shopping gallery built during Fascist Italy tucked in the center of Palermo.

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

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

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

A study of Fascist era Art Deco design in Italy.

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

A network of underground water channels that dates back to the Middle Ages.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.