This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

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

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

A cluttered and astounding collection of antiquities and curiosities.

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

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A fantastic castle rumored to be the birthplace of King Arthur.

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

A historic house left in "dramatic still life."

Eighty million natural history specimens call this gargantuan museum home.

The longest hedge maze in the world.

Rebuilt remains of a temple to Roman god Mithras.

The curios of pharmacist and collector Henry Wellcome.

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

A hands-off space for graffiti artists to hone and display their skills.

A student driver's nightmare.

An unusual round church in London with a Templar past.

A tongue-in-cheek arcade where the games are based on everyday life.

Famously misunderstood wonder of the ancient world

The world's largest collection of witchcraft regalia.

The only museum with its curator—and her pets—buried inside.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.