An enormous natural sandstone bridge in Kentucky.

A bizarre house filled with an astounding array of collections.

Moving, mind-blowing metal sculpture work of an outsider artist.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

A former barn converted into a massive train diorama.

This large midwestern cavern features impressive rock formations and an underground waterfall.

One of the most powerful computers in the world can be visited by anyone who wants to experience more computing than they can handle.

Ever wanted to can Spam?

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

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

This massive roadside mascot was the first version of the giant to illustrate his butt.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

This historic lavatory leftover features two levels of defecation stations completely without context.

Town not known for anything except its strange name.

This historic bridge has weathered fires and floods and still stands, now abandoned, where it has stood since 1874.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

Former hotel turned into haunted playground.

A museum and apothecary garden devoted to the history of frontier medicine.