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

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

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

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

This home on a quiet suburban street is completely covered with vibrant mosaics.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Three small rooms at the back of the “official” church of London's clowns.

The last four extravagant street signs of London's historic banking street.

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

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

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

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

A museum wholly devoted to juvenescence.

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

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.