The Netherlands' first car tunnel has an unusually rectangular shape.

A fearsome dragon clings to a corner of Munich's city hall.

The first high-tech company in the valley that actually worked with silicon devices.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Where Mary Shelley’s 'Frankenstein' and John William Polidori's 'The Vampyre' were born.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

The World Wide Web was created in this nondescript corridor at CERN.

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

Four-story slides send people whizzing through the math department at this Munich university.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

The largest geyser field in the southern hemisphere is a spectacular sight.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

A public urinal so pretty, it was declared a national monument.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

The charming storybook building now houses a small police museum.

A statue of the second-tallest Dutchman in history.

It's good luck to be mocked by this monkey.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A modern, secular take on a traditional Virgin Mary motif.