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

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

A little slice of Japan and its aesthetics in London's Holland Park.

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.

Remnants of a Victorian garden feature sitting in public woodland.

This 1920s Dutch barge is now a floating bookstore.

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

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

The curios of pharmacist and collector Henry Wellcome.

An unusual round church in London with a Templar past.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A student driver's nightmare.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

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

Banksy gives themself artistic license with this piece of London street art.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

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

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

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