Fantastically decorated underground chambers built in the 1760s.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

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

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

This medieval church tower has maintained its clockworks since the 16th century.

Where Aleister Crowley attempted to seize the Hermetic Order of the Golden Dawn in a mask and a kilt.

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

London's largest outsider art museum.

Taxidermied animals galore, by appointment only.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

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

English antique dealers with a taste for the unusual.

An incarceration museum on the spot of possibly the oldest prison in England.

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

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

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

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

Traveling collection of amazing automata.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A mysterious artist-run cabinet of curiosities and library.