This overlooked street light once served as a KGB dead letter box.

The cedar tree in Highgate Cemetery earned its title by accident.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Traveling collection of amazing automata.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

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

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Britain's only herd of free-ranging reindeer.

London's largest outsider art museum.

This Scottish bridge seems to compel dogs to leap to their death.

At this snack-shack in the bucolic British countryside, you can still get a slice of socialism with your spot of tea.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

A modern English garden of eccentric beasts, follies, and oddities.

Museum about life, death, and cannibalism in the Stone Age.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

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