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

The oldest operating pharmacy in the world features 800-year-old recipes.

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

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

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

The only museum with its curator—and her pets—buried inside.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Venice's island of the dead.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An island on the Venetian Lagoon hosts this stone chair that has nothing to do with the King of the Huns.

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.

This ancient market is often referred to as the oldest shopping mall in the world.

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

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

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

This camera store in Milan holds one of Europe’s largest collections of luxury-antique cameras.

A brutalist gem towering over the heart of Milan.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This is one really big nut.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.