A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The remains of Crystal Palace Great Exhibition of 1851.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Last remaining nuclear missile base in Ukraine.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Follow the original medieval paths that wind through this intriguing section of the city.

This network of narrow, medieval passages has the most delightful name.

Sculpture that doubles as a time capsule so that life can survive radiation outside Chernobyl.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

An Art Nouveau building covered in animal gargoyles and grotesques.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

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

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

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