This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

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

Museum of science fiction, utopias, and extraordinary journeys of the mind.

A Swiss board game museum housed inside a picture-perfect castle.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

A constellation of golden cobblestones shows the names of local children born under a full moon.

The university library shaped like a giant piece of Swiss cheese.