France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

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

This coffee shop lies hidden beneath a historic church.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Hear the quietest sound from across the dome.

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

The curios of pharmacist and collector Henry Wellcome.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

An unusual round church in London with a Templar past.

A little slice of Japan and its aesthetics in London's Holland Park.

A student driver's nightmare.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

This 1920s Dutch barge is now a floating bookstore.

Eighty million natural history specimens call this gargantuan museum home.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

From a distance, this structure looks like an ordinary office building but a closer inspection reveals a unique facade.