This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

The face of a woman pushes its way through the earth.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

America's oldest Italian restaurant is a San Francisco institution.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

A series of sculptures beneath the waves promote ocean conservation and support coral reefs.

A sacred mountaintop temple offers a fine cup of tea to visitors who can survive the journey.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

After giving up Michelin glamour for his Amish faith, one chef now makes stellar sausages in a small, off-the-grid shop.

This gold mine–turned–swimming hole is the perfect summer picnic spot, immersed in nature and history.

This airport currywurst stand is made out of retro airplane parts.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

The busy transport hub is home to the tallest airport slide in the world.