Moonbows over Kentucky.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

A one-stop shop for all things snowmobile, started by a snowmobile-obsessed group of friends in Wisconsin.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

This cave holds a surprisingly colorful variety of geological oddities.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

Almost half-way between the Equator and North Pole.

A bizarre house filled with an astounding array of collections.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

The largest source of fossilized insects anywhere.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The world's longest known cave system.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.