Pop culture has helped to keep this iconic British building from being destroyed.

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

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

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

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

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

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

Traveling collection of amazing automata.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The curios of pharmacist and collector Henry Wellcome.

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

The remains of the great moral philosopher reside in a university in London.

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

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A mysterious artist-run cabinet of curiosities and library.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

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.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

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

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

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

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