This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

The final resting place to 300 Victorian-era pets hides inside the city park.

Home of one of history's most famous cartoonists just as he left it.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A clock designed to run with perfect accuracy for 10,000 years.

London's old-school healing garden.

This small collection of rare books was uniquely locked up for safe keeping.

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

Hidden beneath the streets of London is a secret subway that only carried mail.

A gigantic collection of teeny, tiny books.

Cat art as far as the eye can see.

The difficulty of getting a good night's sleep is an age-old affliction according to the one-of-a-kind Snoring Museum.

This delightful little museum is dedicated to only one thing: pasta.

An encyclopedic collection of mammal penises.

Dedicated to the unsung history of human waste.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

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

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.