See prehistoric footprints, plus two complete mastodon skeletons.

A physical reminder of Earth's ancient past, this rock results from the photosynthetic processes of some of the oldest forms of life.

Its floors are marked by colorful cues depicting Michigan's native fauna.

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

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

Winter weather reveals a large Italian marble crucifix drowned beneath Lake Michigan.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

"The Most Boring Road in the State."

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

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.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

This sprawling bookstore spans four floors and has more than a million books in stock.

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.

One of the best examples of Art Deco architecture in the United States.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Thousands of people walk over this fantastic work of art every day, but how many notice it?

A stone face watches over the river.

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

The statue honors the booming birds Rothsay, Minnesota, is famous for.