A mysterious artist-run cabinet of curiosities and library.

The remains of Crystal Palace Great Exhibition of 1851.

A cluttered and astounding collection of antiquities and curiosities.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

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

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Remnants of a Victorian garden feature sitting in public woodland.

The anatomical-pathological collection of a man who changed surgery.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

Rebuilt remains of a temple to Roman god Mithras.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

One part local history, 99 parts gruesome haunted house.

This 1920s Dutch barge is now a floating bookstore.

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

A tongue-in-cheek arcade where the games are based on everyday life.

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

This mysterious and unique painting is filled with symbolism.

This haunting sculpture was created as a statement on the mechanized warfare of the First World War.

A haunting painting meant to capture the calamity of World War I.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.