The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

Banksy's image of a naked man dangling from the window of a sex health clinic.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

This tiny island is home to the world's largest colony of Northern gannets.

The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

A fantastic castle rumored to be the birthplace of King Arthur.

Largest lake in Great Britain measured by surface area.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Op-art architecture designed for happiness.

A museum dedicated to a Cold War era sausage.

A century-old shot ball factory tower is open to the public once a year.

One of downtown Berlin's last reminders of its Communist past.

A restaurant and observation deck built in a unique broadcasting antenna.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The fairy tale castle of the "fairy-tale king."

An abandoned cable car station located on the Danube stands like a haunted house above the river.