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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Brussels' favorite peeing boy has a sister.

Theme park featuring miniature replicas of European monuments.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

Meet the bronze beloved pet to a family of famous peeing statues.

Climb inside an iron crystal magnified 165 billion times its normal size.

An old department store turned Nazi prison turned artist commune.

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

Cold war icon and onetime "hole" in the iron curtain.

Berlin's old airport.

Blitzkrieg bop your way through Berlin's Ramones Museum.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

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

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

Not actually a shop, but one fan's passionate show of support for a rival county's Gaelic football team.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.