A kaleidoscopic warehouse-maze of handmade neon signs.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

The heads of two giant mythological water horses honor Scotland's horselord past.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The last manually operated turntable ferry in the world.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

A close look reveals that the Scottish monument is just slightly off-kilter.

The final resting place of soldiers' loyal canine companions.

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

This magnificent mural was created with over 30,000 colored bricks.

Three memorials honor the victims of the worst sports stadium disaster in Britain.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The narrowest street in Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

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