A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

Fantastically decorated underground chambers built in the 1760s.

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

The oldest residential street in Europe also features an optical illusion.

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

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

The oldest candy store in the world has been selling traditional sweets since 1827.

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

This foolish Victorian sea fort was converted to a deluxe hotel.

Stonehenge has nothing on Castlerigg’s views.

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

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

The secret wartime bunker built on the platforms of an abandoned Tube station.

A house of bones — but nobody is quite sure to whom they belong.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

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

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

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

A open air theatre built on a cliff by an eccentric British woman.