You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

The oldest experimental corn field in America is still creating better ways to grow crops.

Even with its slightly risible name this colossal cross is still able to inspire awe.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The park that the Chicago Stockyards built.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Man-made geyser that rises to the exact height of the Gateway Arch.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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

The world's largest collection of the world's largest objects is in one small Illinois town.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

Home to a protest movement, a bombing, and a dramatic change in labor history.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

This historic hotel invented the chocolate brownie.

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

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.