Ecosystems in Mackinac Island

Discover 2 ecosystems in Mackinac Island.

Skull Cave

Mackinac Island, Michigan

Skull Cave

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

Downtown Mackinac

Mackinac Island, Michigan

Mackinac Island

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

Are we missing something unusual in Mackinac Island?