A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

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

This hilarious English intersection is an automotive whirlpool.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

Ancient mysterious ruts carved in the bedrock.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

This small chapel is built of human bones and decorated with a golden skeleton.

A unique seaside cave where Aleister Crowley faked his own death.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Stonehenge has nothing on Castlerigg’s views.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This charming English house was once the home of England's most famous poet.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

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

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Picturesque ruins once held off mighty armies.