A student driver's nightmare.

London's smallest police station is barely the size of a phone booth.

Banksy gives themself artistic license with this piece of London street art.

A hands-off space for graffiti artists to hone and display their skills.

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 largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Pop culture has helped to keep this iconic British building from being destroyed.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Rebuilt remains of a temple to Roman god Mithras.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

France's most famous cemetery, with some of its most curious tombs.

How did a French journalist’s grave become the sexiest statue in the cemetery?

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

This modest marker near Notre Dame identifies the very center of Paris.

The oldest stone house in Paris was built by its most famous alchemist.