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

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

Home to a collection of artifacts and specimens from one of the world's preeminent geologists

Symbolic attempt to overcome the issues of life.

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

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

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

Prehistoric animals decorate this popular outdoor park.

Along this stretch of Indiana roadway resides a giant insect composed entirely of scrap metal.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

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

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

The world's longest known cave system.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

There's more contention than one might expect from cherry pie pans.

A 12-foot sculpture serves as a constant reminder of the importance of protecting and restoring the Boardman River.   

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

An enormous roadside pan tells the story of a battle for pie glory.

The longest structure of its kind ever built in Michigan.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.