This historic London residence was once the womb of Scientology.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

A statuesque figure of a feline stands sentry over a ostentatious spiral staircase

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

London's Victorian Tower of Babel.

The canine-themed book collection claims to be Europe's largest dog library.

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

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

It holds a fabulously designed tribute to astronomer Edmond Halley.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

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

A mysterious artist-run cabinet of curiosities and library.

The bronze uniforms commemorate the vital role of women during World War II.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Once part of a magnificent Tudor palace, this wine cellar is a time capsule underneath the Ministry of Defence.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

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

Run by the same people as a subterranean art space, this pub does double-duty as a Cave of Wonders.

A hands-off space for graffiti artists to hone and display their skills.

One part local history, 99 parts gruesome haunted house.

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

The medieval woodcut-style artwork chronicles life in medieval London.