A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The UK's oldest theme park slowly slips away.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Electrical pylon in the shape of Disney's beloved mouse.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

Seat of the Duke and Duchess of Devonshire for centuries.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

Abandoned ship reimagined as a street art canvas.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

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

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

Two women with a flair for both adventure and artful clutter created this singular round home.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.

This ancient theater was once the home of fierce gladiatorial battles.

A building so large that it has its own weather.

Petting this mysterious iron monkey supposedly brings good luck.

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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The signs of a long buried road can still be found hidden beneath a London sewer grate.