One extremely determined man's homemade universe.

Meet the "Green Monster" of Monico, Wisconsin.

A larger-than-life version of the hat beloved by hunters, outdoorsmen, and Holden Caulfield.

A hidden oasis in the heart of Minneapolis is also an Important Bird Area.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

An architecturally-focused antique shop.

When flour explodes, it's not a pretty sight.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

A tragedy and memorial that raised awareness about the dangers of unsealed mineshafts.

A sculpture of a flying hawk made from colorful car doors.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A popular rock that acted as a waymarker for American pioneers.

A cemetery housing wild west legends in South Dakota.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

Just a man taking his prehistoric pet for a stroll.

The first declared National Monument in the United States.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

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

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

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