sand hill dunes filled with grasses, shrubs, and trees, on a summer day, in kohler andrae state park, sheboygan

kohler dunes state natural area cordwalk sheboygan wisconsin usa america kohlerandrae park trees plants travel hiking exploring adventure scenic nature outdoors summer tourism vacation environment beauty solitude peaceful sight therapy conservation tranquil shrubs grasses sand landscape lake michigan water horizontal cumulus clouds hills hilly birch oak betula deciduous hill filled day andrae plain tree field ruins prairie grass grassland soil agriculture pasture plateau steppe terrain farm savanna wetland