A petite castle folly in the English countryside.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

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

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The stately remains of Llywelyn the Great's mighty fortress.

Fantastically decorated underground chambers built in the 1760s.

A naturally mummified 2,000-year-old man.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

One of the world's largest collections of pathological specimens.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This tangled English forest looks like something right out of a fairytale.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.