Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

One of England's most famous churches hides a pair of little known architectural treasures.

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

The curious and tiny collection contains some very odd objects.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

Home to the most complete dodo remains known - one head, and one foot.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

A museum wholly devoted to juvenescence.

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

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

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.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

Fascinating town where normal life interfaces with the occult.

English antique dealers with a taste for the unusual.

London's old-school healing garden.

Museum about life, death, and cannibalism in the Stone Age.

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

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Repository for more than 22 million pickled specimens.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.