An unusual sculpture with a meaning shrouded in mystery.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

An enigmatic modern marker left next to a historic Roman site.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A Nesting Doll of Churches.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Jesus' footprints and the first catacombs in the world.

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

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

This castle was once the home of one of the most powerful women of the Renaissance.

Since the 1960s, this small village has invited painters to decorate its walls.

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

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

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

This small-town museum is dedicated to the original western movie mega-star.