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

The writing studio of an American adventure author, built in the style of a medieval castle.

The bones of an old zoo crumbling in the shadow of a new one.

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

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.

The city is full of whimsical portals to another world.