The yawning maw of this pagan visage is said to bite off the hands of liars.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

The oldest stone house in Paris was built by its most famous alchemist.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A collection of objects supposedly singed by the hands of souls in purgatory.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

A hospital where antique dolls are given new life.

The final resting place of the poets Shelley and Keats.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This Parisian café sticks almost exclusively to an ethos of reuse.

A submerged archeological park still holds the wonders of a Roman Sodom.

There must be a pun in this haystack somewhere...

An unusual round church in London with a Templar past.

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

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A hands-off space for graffiti artists to hone and display their skills.

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

A cluttered and astounding collection of antiquities and curiosities.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

The anatomical-pathological collection of a man who changed surgery.