This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Ship-sized kinetic sculptural fantasy.

This 1920s Dutch barge is now a floating bookstore.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Repository for more than 22 million pickled specimens.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Eighty million natural history specimens call this gargantuan museum home.

The monster at the center of the Darwin Center Spirit Collection.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A beautiful maze marks where three countries meet.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

The former global standard for the exact mass of one kilogram sits under lock and key outside Paris.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This former cannon foundry and castle for the Counts of Flanders is now a public garden.