Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

At this Wisconsin museum there are real ducks, fake ducks, duck calls and a Duck Blind.

A bypass decorated with large wooden troll carvings.

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

This cave holds a surprisingly colorful variety of geological oddities.

This family driveway also serves as the highest point in Illinois.

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

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

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

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

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

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

A curious sculpture garden and museum in Cochrane, Wisconsin.

This water tower has been a staple of the Rochester skyline since 1931.

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

Hunting trophies and antique guns make up the unusual display at this Minnesota bank building.

Inside this museum resides a boot fit for a giant.

Most comprehensive museum in America devoted to one ethnic group.

Ever wanted to can Spam?

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

A memorial for an outsider theorist who believed that the planet is actually hollow.