A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

An experimental, automotive replica of Stonehenge.

No one knows the origin of this small town’s unique name.

The “American Gothic" artist's largest works hang in an Iowa State University library.

The notorious couple camped at this site after a bloody shootout with police.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

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

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

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

Home with Gothic windows featured in a famous painting.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

A one-of-a-kind collection of a unique medium.

The sun acts as a key that only fits this giant keyhole twice a year.

A psychedelic labyrinth on the San Francisco bay.

A research lab and hands-on museum where visitors can experiment with retro technology.

The clock that sets them all.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This museum offers an actual time machine back through Colorado's past.