There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

The oldest inn in England served brew to the crusaders.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This ancient abbey now lies in majestic ruin behind a caravan park.

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

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

Ancient human remains unearthed around the iconic monument.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

Banksy's image of a naked man dangling from the window of a sex health clinic.

A miniature village mimics the surrounding buildings so well it includes itself.

A petite castle folly in the English countryside.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

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

This antique prison is a tourist attraction with a sordid past.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.