Laurent Geslin / Logger checking his saw in a pine forest, Washington State, USA

Floris van Breugel / View of Pacific coastline in fog and mist, Ruby Beach, Olympic National Park, Washington, USA, June 2008

Kirkendall-Spring / Morning at Lake Wenatchee, Lake Wenatchee State Park, Washington, USA

Kirkendall-Spring / Basalt rock-formations on a hillside above Lenore Caves, Sun Lakes State Park, Washington, USA

Kirkendall-Spring / Sunrise over Lake Wenatchee at the head of the Wenatchee River, Lake Wenatchee State Park, Washington, USA

Jack Dykinga / Stubble fields after the wheat harvest, Palouse, Steptoe Butt State Park, Washington, USA

Neil Lucas / Nurse log in Olympic NP, Washington State, USA

Neil Lucas / Water fall in Olympic National Park, Washington state USA

Cyril Ruoso / Oregon spotted frog (Rana pretiosa) in tank, prisoner observing in background. Prisoners involved in conservation projects. Washington State Prison, Cedar Creek Correction Center, Shelton, Washington,...

Doug Wechsler / Vinegar flies / Fruit flies (Drosophila sp.) feeding on fermented sap or alcohol flux, Fort Washington State Park, Montgomery County, Pennsylvania, USA, June.

Doug Wechsler / Sweat bee nest (Augochlora pura) in rotten log, entrance to chamber on right, Fort Washington State Park, Montgomery County, Pennsylvania, USA, June.

Doug Wechsler / Sawfly eggs (Argidae) on underside of hickory leaf, Fort Washington State Park, Philadelphia, Pennsylavania, USA. August.

Doug Wechsler / Leafhopper (Rusoana querci) nymph on white oak, Fort Washington State Park, Philadelphia, Pennsylvania, USA, June.

Doug Wechsler / Plant bug (Hyaliodes harti) on white oak, Fort Washington State Park, Philadelphia, Pennsylvania, USA, June.

Doug Wechsler / Pale green assassin bugs (Zelus luridus) hatching from egg mass, Fort Washington State Park, Philadelphia, Pennsylvania, USA, June.

Doug Wechsler / Oak lacebug eggs (Corythuca arucata) on white oak leaf, Fort Washington State Park, Philadelphia, Pennsylvania, USA, June.

Doug Wechsler / Oak lacebug eggs (Corythuca arucata) laying eggs on white oak leaf, Fort Washington State Park, Philadelphia, Pennsylvania, USA, June.

Doug Wechsler / Oak Lacebug (Corythuca arcuata) newly metamorphosed; Fort Washington State Park, Philadelphia, Pennsylvania, USA, July.

Doug Wechsler / Aphid (Myzocallis sp) giving birth, Fort Washington State Park, Montgomery County, Philadelphia, Pennsylvania, USA, October.

Doug Wechsler / Ferruginous carpenter ant (Camponotus chromaiodes) alates, Fort Washington State Park, Philadelphia, Pennsylvania, USA

Doug Wechsler / False mealworm beetle (Alobates pensylvanica) head, Fort. Washington State Park, Philadelphia, Pennsylvania, USA. April.

Doug Wechsler / Eastern subterranean termite (Reticulitermes flavipes) soldier and worker, Fort Washington State Park; Philadelphia, Pennsylvania, USA. April.

Doug Wechsler / Derbid planthopper (Otiocerus wolfii) on hickory, Fort. Washington State Park, Philadelphia, Pennsylvania, USA, August.

Floris van Breugel / Field of Lupin (Lupinus sp) flowers in spring, overlooking the Columbia River Gorge, Columbia Hills State Park, Washington, USA, April 2014.

Doug Wechsler / Poison ivy vine (Toxicodendron radicans) climbing up White oak tree (Quercus) Fort Washington State Park, Pennsylvania, USA October

Doug Wechsler / Winnow ant (Aphaenogaster sp) worker carrying pupa to nest, Washington State Park, Pennsylvania, USA July

Doug Wechsler / Winnow ant (Aphaenogaster sp) worker carrying beetle pupa to nest, Washington State Park, Pennsylvania, USA July

Doug Wechsler / Winnow ant (Aphaenogaster sp) worker carrying beetle pupa to nest, Washington State Park, Pennsylvania, USA July

Doug Wechsler / Wrinkled bark beetle (Clinidium sp) in rotten log, Washington State Park, Pennsylvania, USA August

Doug Wechsler / Acrobat ant swarm (Crematogaster sp) winged individuals leaving nest to mate, Washington State Park, Pennsylvania, USA September

Doug Wechsler / Acrobat ant swarm (Crematogaster sp) winged individuals leaving nest to mate, Washington State Park, Pennsylvania, USA September

Doug Wechsler / Acrobat ant swarm (Crematogaster sp) winged individuals leaving nest to mate, Washington State Park, Pennsylvania, USA September

Doug Wechsler / Acrobat ant swarm (Crematogaster sp) winged individuals leaving nest to mate, Washington State Park, Pennsylvania, USA September

Doug Wechsler / Acrobat ant (Crematogaster sp) tending aphids on white oak (Quercus sp) Washington State Park, Pennsylvania, USA September

Doug Wechsler / Acrobat ant (Crematogaster sp) tending aphids on white oak (Quercus sp) Washington State Park, Pennsylvania, USA September

Doug Wechsler / Coiled millipede (Narceus americanus) Washington State Park, Pennsylvania, USA

Doug Wechsler / Bald-faced hornet (Dolichovespula maculata) worker feeding at alcohol flux - fermented sap- on white oak trunk (Quercus) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Bald-faced hornet (Dolichovespula maculata) worker feeding at alcohol flux - fermented sap- on white oak trunk (Quercus) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Bald-faced hornet (Dolichovespula maculata) worker feeding at alcohol flux - fermented sap- on white oak trunk (Quercus) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Black corsair beetle (Melanolestes picipes) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Ferruginous carpenter ant (Camponotus chromaiodes) worker feeding at alcohol flux - fermented sap - on white oak (Quercus sp) trunk, Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Ferruginous carpenter ant (Camponotus chromaiodes) worker feeding at alcohol flux - fermented sap of white oak tree (Quercus sp) - Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Chicken-of-the-woods fungi (Laetiporus) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Dog vomit slime mould (Fuligo septica) on rotten log, Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Eastern grey squirrel (Sciurus carolinensis) on White oak (Quercus sp) eating fermented sap (alcohol flux), Fort Washington State Park, Pennsylvania, USA July

Doug Wechsler / Eastern grey squirrel (Sciurus carolinensis) on White oak (Quercus sp) eating fermented sap (alcohol flux), Fort Washington State Park, Pennsylvania, USA July

Doug Wechsler / Eastern grey squirrel (Sciurus carolinensis) on White oak (Quercus sp) eating fermented sap (alcohol flux), Fort Washington State Park, Pennsylvania, USA July

Doug Wechsler / False turkeytail (Stereum ostrea) Fort Washington State Park, Pennsylvania, USA September

Doug Wechsler / Jack O'Lantern mushroom (Omphalotus illudens) poisonous, Fort Washington State Park, Pennsylvania, USA September

Doug Wechsler / Leaf-footed bug (Leptoglossus sp) sequence hatching from egg, Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Leaf-footed bug (Leptoglossus sp) sequence hatching from egg, Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Leaf-footed bug (Leptoglossus sp) sequence hatching from egg, Fort Washington State Park, Pennsylvania, USA August

Doug Wechsler / Leaf-footed Bug, Leptoglossus sp., hatching from egg, PA, Montgomery Co., Ft. Washington State Park

Doug Wechsler / Leaf-footed bug (Leptoglossus sp) hatched from egg, Fort Washington State Park, Pennysylvania, USA June

Doug Wechsler / Leafhopper (Rugosana querci) Fort Washington State Park, Pennsylvania, USA

Doug Wechsler / Leafy Brain / Brown witches butter (Tremella foliacea) on branch, Fort Washington State Park, Pennsylvania, USA

Doug Perrine / Killer whale / orca (Orcinus orca) transient male blowing at surface, Strait of George, between Washington State, USA, and the Gulf Islands on the east side of Vancouver Island, British Columbia, Cana...

Doug Perrine / Killer whale / orca (Orcinus orca) porpoising out of the water, Salish Sea, between San Juan Islands, Washington State, USA, and the Gulf Islands on the east side of Vancouver Island, British Columbia...

Mark Taylor / Rotting wooden shed covered in moss, Washington State, USA.

Doug Wechsler / Honey bees (Apis melifera) bumblebee (Bombus) and wasps around alcoholic flux, a stress related disease that causes foam like sap to bleed from wounds in the bark, Washington State Park, Pennsylvania,...

Doug Wechsler / 1526327 - - Honey bees (Apis melifera) bumblebees (Bombus) and Downy yellow jacket (Vespula flavopilosa) and Red admiral butterfly (Vanessa atalanta) around alcoholic flux, a stress related disease t...

Doug Wechsler / Bald-faced hornets (Dolichovespula maculata) around alcoholic flux, a stress related disease that causes foam like sap to bleed from wounds in the bark, Washington State Park, Pennsylvania, USA, July.

Kirkendall-Spring / Rusty old car in Columbia Hills State Park, Columbia River Gorge National Scenic Area, Washington, USA, April

Kirkendall-Spring / Hiker on the twisty trail up Beacon Rock in Beacon Rock State Park, part of the Columbia Gorge National Scenic Area, Washington, USA, April 2015. Model released.

Kirkendall-Spring / Balsamroot (Balsamorhiza deltoidea) blooming, and rusty old car, Columbia Hills State Park, Columbia River Gorge National Scenic Area, Washington, USA, April.

Steven David Miller / Mount Rushmore, with the iconic carvings of presidents Washington, Jefferson, Lincoln and Thoedore Roosevelt, Rushmore National Monument, South Dakota, USA. September 2013.

Steven David Miller / Mount Rushmore, profile of the iconic carvings of President Washington, Rushmore National Monument, South Dakota, USA. September 2013.

Floris van Breugel / Wind blown Lupins (Lupinus sp), wildflowers and Scrub oak trees (Quercus sp) at dusk, Columbia River Gorge, Columbia Hills State Park, Washington, USA, April 2014.

Kirkendall-Spring / View over farmland from Steptoe Butte, Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / View over farmland from Steptoe Butte, Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / Photographers silhouetted at sunrise on Steptoe Butte, Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / Photographers lined up at sunrise on Steptoe Butte, Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / View over farmland from Steptoe Butte, Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / Washington State Ferry on the Edmonds-Kingston run, Puget Sound, Washington, USA, July 2014.

Kirkendall-Spring / Lookout point on top of Mount Pilchuck, Mount Pilchuck State Park, Cascade Mountains, Washington, USA, July 2014. Model released.

Kirkendall-Spring / Lookout point on top of Mount Pilchuck, Mount Pilchuck State Park, Cascade Mountains, Washington, USA, July 2014. Model released.

Kirkendall-Spring / View over Palouse farmland from Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / View over Palouse farmland from Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kirkendall-Spring / View over Palouse farmland from Steptoe Butte State Park, Whitman County, Washington, USA, June 2014.

Kevin Schafer / Bee (Apidae) feeding on nectar, Deception Pass State Park, Washington

Inaki Relanzon / Photographer taking photos of rock formations, silhouetted at sunset on the Pacific coast of Olympic National Park, Washington State, USA. Model released.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Rock formations silhouetted at sunset on the Pacfic coast of Olympic National Park, Washington State, USA.

Inaki Relanzon / Moss, lichen and trees in this ancient temperate rainforest, in Olypmic National Park, Washington State, USA.

Inaki Relanzon / Photographer with umbrella taking photos of ancient moss covered trees in ancient temperate rainforest, in Olypmic National Park, Washington State, USA.