This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

This haunting stone chasm is a hotbed of mossy rock and English legend.

Makers and sellers of the original and finest York Ghosts.

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

One of the few surviving street funiculars in the world.

In a resort town where the real Alice spent her summer holidays, iconic characters create a curious trail.

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

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

An unexpectedly extraterrestrial room in a former Victorian resort club.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Huge winged monument in the United Kingdom.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

A remarkable feat of Victorian engineering across the Firth of Forth.

The longest and steepest staircase locks in the United Kingdom.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

One of the U.K's earliest public water supplies is within the "plague village."

Eyam took steps to quarantine themselves and keep the plague from spreading.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

A historic Georgian building and warm springs.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

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.

6000-year-old site covered in more than 50 megaliths.

This precipitous pathway with its wrought iron handrail was created by the Victorians as a tourist attraction.