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

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.

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

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Repository for more than 22 million pickled specimens.

A modern English garden of eccentric beasts, follies, and oddities.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

The final resting place to 300 Victorian-era pets hides inside the city park.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

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

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

An incarceration museum on the spot of possibly the oldest prison in England.

Eighty million natural history specimens call this gargantuan museum home.

This series of Scottish caves has no clear purpose other than baffling historians.

A mysterious artist-run cabinet of curiosities and library.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

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

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.