A memorial to a dog that inspired rioting in the streets of London.

Where condemned pirates met their grisly end at the gallows on the River Thames.

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

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

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The childhood home of Earth's alien chameleon is a humble Brixton flat.

Public access to clean drinking water was an instant hit among the masses.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

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

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.