Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) near Redrock, Arizona State Trust, Sonoran Desert, Arizona. September 2015. Long exposure with lightning trigger.

Andy Rouse / Maasai Giraffe (Giraffa camelopardalis tippelskirchi) silhouetted by beams of light from setting sun, Maasai Mara, Kenya, Africa. Winner of the African section of the Natures Best Windland Smith Rice...

Jack Dykinga / Roosevelt elk (Cervus canadensis roosevelti) in a meadow beneath redwood trees, Del Norte Redwoods National Park, California, USA. June

Jack Dykinga / Roosevelt elk (Cervus canadensis roosevelti) in a meadow beneath redwood trees, Del Norte Redwoods National Park, California, USA. June

Chris & Monique Fallows / Mako shark (Isurus oxyrinchus) near surface, Cape Point, South Africa, March 2015

Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) Avra Valley, Saguaro National Park, Tucson Mountains, Arizona, USA, August 2015. Long exposure with lightning trigger.

Roy Mangersnes / Full moon over Adventsdlen, Longyearbyen, Svalbard, Norway, April.

Denis-Huot / African elephant (Loxodonta africana) herd at sunset, Masai-Mara Game Reserve, Kenya. January.

David Noton / Aurora Borealis (Northern Lights) over the Klondike River, Yukon Territories, Canada, September 2013.

Jussi Murtosaari / Northern Lights over forest, central Finland, March 2013

Andy Rouse / Maasai Giraffe (Giraffa camelopardalis tippelskirchi) under setting sun Maasai Mara, Kenya, Africa

Juergen Freund / Dramatic early morning aerial of Wilpena Pound, Flinders Ranges National Park, South Australia, June 2011