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

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

Large one-man sculpture park in Michigan.

The unusual medical inventions of the man who gave the world Corn Flakes.

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

World's largest Christmas store.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

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.

Strange physical sensations and optical contradictions keep visitors coming back for more.

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

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

This freshwater spring fills with 10,000 gallons of water per minute.

Macabre astrological automaton clock dating to the late 1400s.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

This stunning concert hall has become a symbol of Iceland's national recovery.

The largest whale museum in Europe allows visitors to walk among life-size giants.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.