Modern commuters still pass through this 2,000-year-old Roman archway.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Putting the "mod" in "modular" since 2000.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

100 year tradition of fist fights, marked by marble footsteps.

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

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

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

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

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

The bomb-ravaged remains of of a colossal Neptune.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

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.

Five candy-colored villages on the Italian Riviera.