This religious museum resides in a church crypt next to the founder's house.

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

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

A Roman spa buried deep beneath the City of London.

London's most popular recording studio, located in the capital's East End, runs partly on solar power and has played host to some of the world's biggest acts.

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

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

Where condemned pirates met their grisly end at the gallows on the River Thames.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A museum wholly devoted to juvenescence.

Likely the first car with an internal combustion engine constructed in the United Kingdom.

A kaleidoscopic warehouse-maze of handmade neon signs.