Visitors climb dunes in Sleeping Bear National Park on Lake Michigan.
| Giant sand dune towers over Lake Michigan in Sleeping Bear National Park.
| Looking down sand dune to waves of Lake Michigan in Sleeping Bear National Park.
| Observation deck on sand dune of Sleeping Bear National Park.
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Kids climb sand dune of Sleeping Bear National Park.
| Cottonwood tree on dune of Sleeping Bear National Park.
| Overview of cottonwood forest of Sleeping Bear National Park.
| Wind sculpted pine in Sleeping Bear National Park.
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