The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

A gallery of underwater art that can be visited by man and fish alike.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

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

A mythically themed self-built sculpture park.

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

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

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

Swiss vineyards in a UNESCO heritage site.

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.

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

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

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

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.

The world's most charming instant portrait studio also happens to be its smallest.

A little Lady Liberty stands in the Norway town where the copper for the real thing came from.

The world's northernmost brewery uses water from a 2,000-year-old glacier to create its beer.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.