Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

For centuries no one knew there were hundreds of bones and precious artwork hidden beneath this Swiss church.

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

A historic observatory precariously perched at the "Top of Europe."

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.

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

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

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

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

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

A trove of ridiculously valuable prints and manuscripts under one roof.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Walk through a restaurant's refrigerator door to reach this hidden bar.

Large Hadron Collider and the Birthplace of World Wide Web.

The fairy tale castle of the "fairy-tale king."

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.