This massive vault of comedic history is no joke.

Florida’s first home built with eco-friendly hempcrete.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Abstract dinosaur models in London.

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

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

English antique dealers with a taste for the unusual.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The largest of London's subterranean rivers and once a mad, bad center of London life.

Artists and musicians now rule over this former rail station.

An artistic tribute to the famous singer, just around the corner from where he was born.

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

The television series' iconic giant foot was borrowed from this classical painting.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Repository for more than 22 million pickled specimens.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A network of concealed passageways lies within a busy London Underground station.

London's old-school healing garden.

One of the world's largest collections of pathological specimens.