Shadows of an oak tree on the snow in Mecosta County, Michigan, USA

Traces of intertidal creatures at low tide on Shi Shi Beach along the Pacific Ocean in Olympic National Park, Washington State, USA

Northern California - Tennessee Valley, Marin County

Ice patterns in a dramatic winter landscape along Ísafjarðardjúp fjord near Ísafjörður in the Westfjords region, Iceland

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Wind-blasted snow clinging to hardwood trees after a winter storm in Mecosta County, Michigan, USA

This is my second of three contributions, a closer view of a different tree in which the trunk stubs have been cut shorter.

Bubbles, created in winter by the photographer, rapidly form ice crystals on the inside surfaces, Michigan, USA,

Bubbles, created in winter by the photographer, rapidly form ice crystals on the inside surfaces, Michigan, USA,

Intricate ice crystals growing on a window pane in winter in Michigan, USA

Quaking Aspen, Populus tremuloides, forest of bare branches along beginning of Wheeler Peak Scenic Trail in Great Basin National Park, Nevada, USA

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Snow-covered sedge growing in a wetland on the Olympic Peninsula, Washington State, USA

Edith's Checkerspot, Euphydryas editha, puddling in the Garnet Range, Montana, USA