A clock designed to run with perfect accuracy for 10,000 years.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The television series' iconic giant foot was borrowed from this classical painting.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A midnight snack that lights up the night.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Cliffs full of fossils at the portal to England's Jurassic Coast.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

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

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

This foolish Victorian sea fort was converted to a deluxe hotel.

London's largest outsider art museum.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A little slice of Japan and its aesthetics in London's Holland Park.

This 1920s Dutch barge is now a floating bookstore.

Catacombs turned marketplace.

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

Northern Ireland's Brobdingnagian stepping stones.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.