Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A small burial plot formerly stranded in the middle of a road.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

This lab's maddening silence is good for business but bad for sanity.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Farms are serving pizza made from their own fresh crops, a growing trend in the American Midwest.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

An old town theater converted into a celebration of the hobo legacy.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

More than 5,000 contemporary and "historic" mustards from around the world.

This cave holds a surprisingly colorful variety of geological oddities.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

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.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Eclectic collection of rare and beautiful stones in a historic home.

This striking art museum holds an amazing series of curiosity cabinets.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

Robots, lasers, and whoopee cushions, oh my!

A Museum of Holography frozen in 1974.