Hoffmann's two-toed sloth, Ecuador (© Murray Cooper/Minden Pictures)

Apples ready for harvest, Minnesota, United States (© Tammi Mild/Getty Images)

Neolithic site of Silbury Hill, Tilshead, Wiltshire, England (© dbstockphoto/Getty Images)

Northern lights over Patricia Lake in Jasper National Park, Alberta (© Daniel Viñé Garcia/Getty Images)

Eurasian lynx, Siberia (© Mario Plechaty Photograph/Shutterstock)

Amethyst laccaria mushrooms, Seabeck, Washington, United States (© Danita Delimont/Shutterstock)

Village of Oia, Santorini, Greece (© f9photos/Getty Images)

River rapids in Algonquin Provincial Park, Ontario (© Pgiam/Getty Images)

Village of Saranac Lake, Adirondack Mountains, New York, United States (© DenisTangneyJr/Getty Images)

Wood duck hen, United States (© ps50ace/iStock/Getty Images)

Coral reef surrounding the island of Monuriki, Mamanuca Islands, Fiji (© David Wall/SuperStock)

The Pillars of Creation viewed by the James Webb Space Telescope (© NASA)

Day octopus, Maui, Hawaii, United States (© Dave Fleetham/plainpicture)

Fall colours below Mount Sneffels near Ridgway, Colorado, United States (© Grant Ordelheide/TANDEM Stills + Motion)

Anshun Bridge illuminated for the Mid-Autumn Festival, Chengdu, China (© Philippe LEJEANVRE/Getty Images)

Boreal owl in a forest in Central Europe (© Ondrej Prosicky/Alamy)

'Inside Out' by JR at the Nathan Phillips Square, Nuit Blanche 2015, Toronto (© Melissa Renwick/Contributor/Getty Images)

Heather growing in Glen Brittle, Isle of Skye, Scotland (© Adam Mowery/TANDEM Stills + Motion)

Oxbow Bend on the Snake River, Grand Teton National Park, Wyoming, United States (© DanitaDelimont.com/AWL Images/SuperStock)

Clark Range, Sierra Nevada, Yosemite National Park, California, United States (© Robb Hirsch/TANDEM Stills + Motion)