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

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.

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