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

One part local history, 99 parts gruesome haunted house.

Tucked inside a South Bank bar is an epic expressionist chronicle of the 20th century.

A hidden path at the National Theatre lets you look behind the scenes of the latest productions.

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

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

The sumptuous ceiling was one of the last things Charles I saw before his execution.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

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

Giant, friendly pelicans in Central London, the most unlikely of places.

The final resting place of a German diplomat's beloved companion.

A mysterious shape catches the eye in this 16th-century painting.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

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

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

A living memorial to the trees London lost during the Great Storm of 1987.

This ancient Egyptian obelisk still bears the wounds of World War I.

These ornate arches show how the course of the River Thames has changed.

England's most famous front door has an accidental doppelganger.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

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

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

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.