During World War II, the Shroud of Turin was secreted to this remote southern Italian complex.

According to a local legend, this bridge was constructed by an astrologer with the help of the devil.

Hidden within this iconic mountain are a set of World War II bunkers once used by German forces.

Legend says the only thing buried within this magnificent tomb was a dog.

An abandoned monastery sits on a far-off island in the Adriatic Sea.

This statue of the legendary Austrian composer is hidden in the center of an Italian town.

A rare example of an octagonal Catholic church.

This garden among the Florentine hills is complete with a meditation path and works of poetry.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

Host to the annual Festival of the Snakes.

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

Italy's third-largest Roman arena gives a peek into the underground operations beneath the ancient spectacles.

The location of the last witch trials of Italy, known as "The Salem of Europe."

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An Italian hillside ghost town.

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

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A fake medieval village in the middle of Turin.

Art and armour fill every inch of this rich kid's Italian villa.

A historic, century-old house plopped along the perimeter of Houston's ballpark.

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

It's where the final scene of the beloved Tom Hanks movie was filmed.