A quiet memorial to those who died saving others in the heart of the City of London.

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

Catacombs turned marketplace.

A friendly pub with a sordid past in cock fighting.

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

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

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

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

"Purveyors of traditional sweets and vintage treats."

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

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.

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

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