Grotto replete with mystical designs laid out in glued shell mosaics.

Famously misunderstood wonder of the ancient world

The largest greenhouse in the world is home to over one million types of plants.

A fantastic castle rumored to be the birthplace of King Arthur.

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

The world's largest collection of witchcraft regalia.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

"The Most Wonderful Wonder that ever appeared to the Wonder of the British Nation."

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

WWII artifacts, including the building itself.

Isaac Newton's former home, where the famous apple tree still stands.

A modern English garden of eccentric beasts, follies, and oddities.

One of the shortest streets in York has an especially odd name.

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

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

The photographs of "fairies" that fooled much of the world (including the creator of Sherlock Homes) were taken at this English stream.

A medieval relic whose great hall once hosted Mayflower pilgrims, one of Henry VIII’s ill-fated wives, and plenty of royal intrigue.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

A folly built to satisfy a gentleman's bet that he could drive his horses through the eye of a needle.

The UK's largest private house was the subject of a long-lasting political dispute.