Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This historic streetcar system has been running since the 19th-century.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

"The prettiest love letters in the world" ... or so said Lord Byron.

The mark of the Devil's horns on a marble column in Milan.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

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

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

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

Where Venice's gondolas go for a tune-up.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

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

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.