A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

Vines grow up the metal bars in this public park created from an old machine factory.

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

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

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

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

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

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

Large Hadron Collider and the Birthplace of World Wide Web.

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

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

These spooky and unusual stone formations create an underworldly landscape.

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

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

Alaska Natives have lived on this tiny isolated island in the Bering Strait for over 5,000 years.

The sculpture's largest spire points directly toward the North Star.

The site of one of Japan's very few American occupations during World War II still holds the relics of a roundly disastrous campaign.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Gorgeous cave resemble a winter wonderland.

The ghostly remains of what was once the world's richest copper mine.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

Don't be a grizzly man. Get personal with Alaska's wild bears from the safety of this conservationist camp.