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

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

Swiss vineyards in a UNESCO heritage site.

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

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The steepest classic funicular in the world glides along a dizzying incline.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

Large Hadron Collider and the Birthplace of World Wide Web.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Caves famous for the dragon-slaying saint who lived there.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

These spooky and unusual stone formations create an underworldly landscape.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.