London's Victorian Tower of Babel.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

At almost 1,000 years old, this is the oldest known door in all of Britain.

The Ranger’s House exhibits fine mementos collected by Sir Julius Werner during the course of his life, including this infamous pendant.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

This Underground station has been a popular filming location for decades, even before it closed.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

It's a mystery why these remains were found with no traces of their bodies in sight.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

These Victorian era devil sculptures were designed to spite a local vicar.

A collection of machines designed to break things for science.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

Taxidermied animals galore, by appointment only.

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

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

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

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

A museum wholly devoted to juvenescence.

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

Charles Babbage's proto-computer, painstakingly brought to life.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.