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

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

Buy a token from the liquor store and you can make this beast spew flames on command.

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

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.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The modern museum honors the achievements of the state's all-star athletes.

Indiana's shrine to the sport that has become a hallmark of their culture.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

Whether his story is true or not, Stiffy Green is the most beloved bulldog in all of Indiana.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

In an alley not far from where two great highways meet, byways of a very different sort are honored.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

A wartime promise becomes a shrine to Our Lady of Lourdes.

The lynching and burial site of America's first train robbers.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

You thought Santa Claus didn't exist, but it turns out you were wrong.

One-layer pyramid in Indiana.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.