Nature and art meet in this curvy creation

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

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Hot Doug's "Hot Dog" Stand.

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

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

A collection of 11 million buttons illustrates the human toll of the Holocaust.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

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

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The final resting place of the world's first nuclear reactor.

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

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

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

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

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

A hollow cement depiction of time's inexorable effect on the human body.

Boise State's stadium was the first non-green football field in the world.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Natural rock water slides hidden in the remote forests of northern Idaho.