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

This 15th century pub is one of only two pubs in England situated on consecrated ground.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

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

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

This historic abandoned train station looks like a stop for ghost trains.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

Seat of the Duke and Duchess of Devonshire for centuries.

A remarkable medieval structure born from a 14th-century disaster.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

The Liverpool street made famous by the Beatles is real.

This skewed English house has looked like it's going to fall over for centuries.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

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

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

A petite castle folly in the English countryside.

A midnight snack that lights up the night.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

Grab a cuppa at England's first and only domestic tea plantation.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

Human-made caves excavated to hide a secret society of wealthy pagans.