This giant wooden treehouse within a sprawling garden has its own eatery.

The sign at the garden gate reads: "These Plants Can Kill."

This abandoned asylum in Wales might look haunted, but it's still beautiful.

The decaying ruins of Wales' first asylum for the mentally ill.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The oldest of the three remaining bridges in England with buildings on top of them.

The charming collection illustrates life in Lincolnshire in the 18th through 20th centuries.

A creepy tree with a local legend that inspired a nearby theme park ride.

The undercroft is a spectacular example of medieval Cistercian architecture.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

This bizarre English competition answers the important question: how many worms can YOU coax out of the ground?

Sidney Scurvy, the interactive computer sailor, takes you on a journey to discover the everyday lives of Cook and his men.

This crumbling folly looks like an enchanted left over from Middle Earth.

This quirky shop on a former farm is full of weird and wonderful oddities and antiques.

The former home of a railway legend and the site of a gigantic labyrinth.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

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

A tiny chapel perched along a 14th-century bridge.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

This tower is all that remains of a 19th-century schoolhouse that became a famous music venue before its destruction.