Murals of the wild parties once held on the frozen River Thames.

The last four extravagant street signs of London's historic banking street.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

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

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This overlooked street light once served as a KGB dead letter box.

A celebrated bandstand at the center of what was once the worst slum in London.

Historic church where a number of Shakespeare's actors are buried.

A cluttered and astounding collection of antiquities and curiosities.

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

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

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

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

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

London's amazing modernist public square that never was.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

A unique tribute to the millions of animals who served and died for the British military.

Artists and musicians now rule over this former rail station.

A famous burial ground with a history both grim and literary.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.