This 13th century castle is chock full of ghosts and impossibly rare cows.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

England's most notorious suicide spot.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

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

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A mysterious artist-run cabinet of curiosities and library.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The curios of pharmacist and collector Henry Wellcome.

One part local history, 99 parts gruesome haunted house.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

360° views of the city plus five floors of optical illusions and hands-on science.

The longest hedge maze in the world.

This South London cemetery holds the remains of more than 15,000 people.

The anatomical-pathological collection of a man who changed surgery.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Northern Ireland's Brobdingnagian stepping stones.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The world's largest collection of witchcraft regalia.

An Italian hillside ghost town.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ever hear of the Milazzo Cage?

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.