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

A little sculpture with a large wardrobe.

These "bridges" help confused bats cross the road.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

A stone obelisk towering over the surrounding countrysides beckons hikers across the rolling moors.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

Astonishing rock formations dot the Brimham Moor landscape.

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

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

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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The largest greenhouse in the world is home to over one million types of plants.

Famously misunderstood wonder of the ancient world

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

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The world's tallest bridge is also possibly the most elegant.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Climb to the top of this windmill for a scenic panorama and up-close look at wind energy production.