Tree shadows in April on a metal building in Michigan, USA

Strybing. Best viewed large.

Mound, La.

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

Winter tree shadows falling across a wall in downtown Battle Creek, Michigan, USA [No property release; editorial licensing only]

Whaling Station

Rock with ripple patterns along the Alpine Lakes Loop Trail in the Snake Range of Great Basin National Park, Nevada, USA

Nature is full of fascinating patterns and structures. Mostly from the yard.

Pinus ponderosa, the Real Deal. :)

Whaling Station

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

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

Whaling Station

Los Angeles Flower Market, California

plants in the Hortus Botanicus, Leiden

Brush-footed Butterflies puddling in the Garnet Range, Montana, USA

Pearl Crescent, Phyciodes tharos, butterfly puddling in a high meadow in the Garnet Mountains, Montana, USA

Fallenin September in Yoho National Park, British Columbia, Canada

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

Whaling Station

Winter tree shadows falling across a wall in downtown Battle Creek, Michigan, USA [No property release; editorial licensing only]

Bank stabilization of stones along Battle Creek River in downtown Battle Creek, Michigan, USA