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

Ice cave interior where stream melts snow under a snowfield, near Hogsback Camp below Heliotrope Ridge on the slopes of Mount Baker, Mount Baker-Snoqualmie National Forest, Washington State, USA

Poor attempt at camouflage? Yes, it ate the whole umbel, and I'm hoping those warning colors (do you hate clowns?) served their intended purpose of allowing this creature to reach adulthood.

Surging Pacific Ocean surf viewed from a high vantage point on East Anacapa Island, Channel Islands National Park, California, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Columnar basalt formations along Reynisfjara Black Sand Beach in Iceland

Oriental Bittersweet, Celastrus orbiculatus, an invasive vine twisting toward forest canopy, Woodland Park and Nature Preserve, Battle Creek, Michigan, USA

Parents analyze structure and function in objects from nature during interactive keynote STEM workshop for parents conducted by Dr. Diana Wehrell-Grabowski.

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

Parents analyze structure and function in objects from nature during interactive keynote STEM workshop for parents conducted by Dr. Diana Wehrell-Grabowski.

Reflections on a Beaver pond of flooded trees, Woodland Park and Nature Preserve in Battle Creek, Michigan, USA

Water drops and reflections on a car hood in Michigan, USA

Incredible patterns of sand, including heavier black sand particles, on Rialto Beach in Olympic National Park, Washington State, USA

Closeup of spectacular frosty ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Black Oak leaf and ice on a vernal pond in Woodland Park and Nature Preserve in Battle Creek, Michigan, USA

Wind has blown snow into rhythmic patterns on the frozen surface of a fjord in the Westfjords region of Iceland

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,

Ice patterns along Hestfjörður fjord, connected to Ísafjarðardjúp fjord, is a dramatic landscape in winter in the Westfjords region of Iceland

Honeycomb Tube Worm, Phragmatopoma californica, colony adjacent to mussel bed exposed at low tide at Natural Bridges State Beach, Santa Cruz, California, USA

Hamma Hamma Living Legacy Trail dedicated to the accomplishments of the CCC Boys during the Great Depression, Olympic National Forest, Washington State, USA,

Forest reflections on a pond in Canadian Lakes, Michigan, USA

Honeycomb Tube Worm, Phragmatopoma californica, colony adjacent to mussel bed exposed at low tide at Natural Bridges State Beach, Santa Cruz, California, USA

Pinus ponderosa, the Real Deal.

Forest reflections on a pond in Canadian Lakes, Michigan, USA

Navajo Sandstone shaped like cauliflower, cracked into polygons, at White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Cleaning a horn coral from Fossil & Prairie Park Preserve, Rockford, Iowa, USA

Saguaro

Hackberry, Celtis occidentalis, tree with its distinctive bark in the Ott Biological Preserve, Calhoun County, Michigan, USA

[Adiantum aleuticum]

Ice cave interior where stream melts snow under a snowfield, near Hogsback Camp below Heliotrope Ridge on the slopes of Mount Baker, Mount Baker-Snoqualmie National Forest, Washington State, USA

[Iris siberica]

Ripples on Trap Lake along the Pacific Crest Trail, Mount Baker-Snoqualmie National Forest, Washington State, USA

Sea urchin test (shell) at Tongue Point in Salt Creek Recreation Area along the Strait of Juan de Fuca, Olympic Peninsula, Washington State, USA