A mysterious artist-run cabinet of curiosities and library.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

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

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

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Berlin's old airport.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Historic church where a number of Shakespeare's actors are buried.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

Taxidermied animals galore, by appointment only.

High-end antique collection housed in a centuries-old church.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

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

A historic arboretum and non-conformist, non-denominational park cemetery.

Remnants of a Victorian garden feature sitting in public woodland.

A historic house left in "dramatic still life."

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

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

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