Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

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

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

A petite castle folly in the English countryside.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

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

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

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

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

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.

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

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

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

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

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

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

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

A village on the east coast of England that has almost completely eroded into the North Sea.

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

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

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'