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

The London statue that imitates passersby.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

High-end antique collection housed in a centuries-old church.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

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

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

The secret wartime bunker built on the platforms of an abandoned Tube station.

Black cat statues guard this temple-like Egyptian revival factory.

The taxidermied remains of a once-great parrot.

This secluded walkway overlooks a magnificently wild London green space.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

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

A Victorian school for poverty stricken waifs has been preserved as a museum to their donated education.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

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

The breadfruit-adorned final resting place of the infamous Captain of the HMS Bounty.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

A Roman spa buried deep beneath the City of London.

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

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

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.