A museum dedicated to secret surveillance.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A masterpiece of Art Deco architecture hidden in plain sight in West London.

This pub has roots dating back to 1430.

The real clothing store that inspired a fictional spy organization's front.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

This inn of the court provides a fascinating window into London’s legal and architectural history.

The medieval woodcut-style artwork chronicles life in medieval London.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

The bronze uniforms commemorate the vital role of women during World War II.

The commemorative stone column conceals a secret laboratory.

Its collection includes a broad array of social, geographic, graphic design, and political history.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

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

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

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

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

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

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A little slice of Japan and its aesthetics in London's Holland Park.

Eighty million natural history specimens call this gargantuan museum home.

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

The blinking light atop the iconic landmark has been sending secret messages for decades.