This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Pilgrimage site for star-crossed lovers.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The most visited, and possibly most controversial, museum in Germany.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

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

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A sharp sculpture made of thousands of pieces of jagged glass.

Where commuters walk through remnants of an ancient Greek necropolis.

A cluster of headless, armless sculptures looms within a popular Polish park.

The ghost town where the villagers refuse to leave.

The fake World Cup prize was secretly created after the first one was stolen in 1966.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

One of the shortest streets in York has an especially odd name.

The little-known second castle that William the Conqueror built in York.

Follow the original medieval paths that wind through this intriguing section of the city.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

A little slice of Japan and its aesthetics in London's Holland Park.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.