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

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

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

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

A historic house left in "dramatic still life."

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

Hear the quietest sound from across the dome.

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

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The curios of pharmacist and collector Henry Wellcome.

One part local history, 99 parts gruesome haunted house.

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

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

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

An unusual round church in London with a Templar past.

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

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

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

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

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.