Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

From battleships to Roman vessels, this museum explores the depths of shipwrecks in the region.

After covering almost 1.5 billion acres, the survey's still not finished.

This fantastical and eclectic English garden takes its inspiration from Egypt, China, the occult and more.

This monumental work of art symbolizes the coming together of a previously divided city.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

A house of bones — but nobody is quite sure to whom they belong.

On a site with a long military history, a 1980s shelter.

This bizarre English competition answers the important question: how many worms can YOU coax out of the ground?

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

The Great Fire of London and the regulation of one-way streets both started in this alley.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

A mysterious artist-run cabinet of curiosities and library.

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

An unusual round church in London with a Templar past.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.