Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

The world's longest known cave system.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

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

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

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

The park is home to the United States's only still-operating Dutch windmill.

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

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.