High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Home to the most complete dodo remains known - one head, and one foot.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

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

A perilous medieval road leading right into the sea.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Legend says this cave housed a 16th-century cannibal and his family of 48.

A midnight snack that lights up the night.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

A 200-year-old collection of oddities and medical paraphernalia.

This hidden green space is the city's second largest conservatory.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

Hidden in a Scotland museum is a copse of extinct tree stumps.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

Puzzles within puzzles hide a golden treasure in this hedge maze.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

Accessible only at low tide, the deserted island is dotted with World War II ruins.