There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

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

A midnight snack that lights up the night.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

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

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

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

These morbid carvings remind churchgoers of the inevitability of death.

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

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

One of Europe's oldest libraries.

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

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

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

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

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

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

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

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

Stonehenge has nothing on Castlerigg’s views.