A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

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

Repository for more than 22 million pickled specimens.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

A cluttered and astounding collection of antiquities and curiosities.

London's smallest police station is barely the size of a phone booth.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

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

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

Catacombs turned marketplace.

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

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

Rebuilt remains of a temple to Roman god Mithras.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A student driver's nightmare.

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

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.