Jim Brandenburg / Forest on lake shore, Judd Lake, Superior National Forest, Minnesota

LYNN M. STONE / Portrait of male Boxer, light brindle coloured with natural ears, standing by lake shore, Illinois, USA

Thomas Lazar / Ice hanging from arch in sea cave carved in soft sandstone cliffs, frozen lake, Squaw Bay, Lake Superior, Apostle Islands National Lakeshore, Wisconsin, USA, February 2009

Kirkendall-Spring / Munising Falls in Pictured Rocks National Lakeshore, Michigan, USA

Kirkendall-Spring / Autumn in a hardwood forest in Chapel Basin, Pictured Rocks National Lakeshore, Michigan, USA

Tim Fitzharris / Castle Rock overlooking Lake Superior, Pictured Rocks National Lakeshore, Michigan

Jim Brandenburg / Ice along the shore of Burntside Lake at sunset, Superior National Forest, Minnesota

Jim Brandenburg / Red Pine (Pinus resinosa) at edge of lake in Boundary Waters Canoe Area Wilderness with 1200 miles of canoe routes, part of Superior National Park, Minnesota

Jim Brandenburg / Breeze blown grass of lakeside sedge meadow, Moose Lake, Boundary Water Canoe Area Wilderness, Minnesota

Tim Fitzharris / Limestone bluffs, Eisenhower Lake, Eisenhower State Park, Texas

Jeff Foott / Eroded lakeshore, Apostle Islands National Lakeshore, Lake Superior, Wisconsin

Jeff Foott / Eroded lakeshore, Apostle Islands National Lakeshore, Lake Superior, Wisconsin