Hidden beneath the streets of London is a secret subway that only carried mail.

The broken skateboards that became a poignant memorial to a murdered skater.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

Taxidermied animals galore, by appointment only.

This luxury shopping lane has been protected by its own tiny police force for over a century.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

London's largest outsider art museum.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

A friendly pub with a sordid past in cock fighting.

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

Public access to clean drinking water was an instant hit among the masses.

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

Eclectic final resting place of the controversial explorer.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

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

London's old-school healing garden.

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