The skull of this patron saint is kept in a shrine located in his hometown.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

The sacristy of this church contains remains and relics of members of the Aragonese royal family.

Numerous stone coffins from different centuries, lined up in a sixth century basilica.

The oldest-known example of a historic architectural style recognized by UNESCO.

This long-abandoned village sits across a narrow gorge from a still-inhabited settlement that was once its twin.

In this medieval church, a centuries-old stuffed crocodile hangs from the ceiling.

This splendid mosaic embodies ancient Rome's fascination with the exotic allure of Egypt.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

What appears to be an ancient Roman temple is actually a Catholic church.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

An abandoned village, frozen in time by the threat of a landslide.

Legend has it that any woman who kissed this statue would soon be married.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

This medieval oratory decorated in magnificent frescos was constructed after Charlemagne received a vision.

A rococo room covered entirely in porcelain originally constructed for another royal residence.

An extraordinary house museum and cabinet of curiosities in the heart of Florence.

A burial vault located under Tiber Island in the middle of the Italian capital.

This church, better known for its weeping portrait of the Virgin Mary, also houses the world's oldest existing piece of taxidermy.