This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

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

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

Water and windows define this defensive Italian well.

Breathtaking and huge 430 year old maps of Italy.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A surreal statue honoring Prague's favorite literary son.

Monument to a suicide protesting the Soviet invasion.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A relic of World War I that now exist as a piece of public art.

A diminutive statue that was inspired by the sculptor's own daughter.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

These "anatomical machines" are only one of the many strange items in this Italian crypt.