Sleeping wolf in Bavarian Forest National Park, Germany (© Raimund Linke/Getty Images)

Red fox sleeping in the snow, Abruzzo, Italy (© marco vancini/500px/Getty Images)

Jaswant Thada and Mehrangarh Fort, Jodhpur, Rajasthan, India (© Twenty47studio/Getty images)

Lake Minnewanka, Alberta, Canada (© Ken Phung/Getty Images)

Golden Gate Bridge, San Francisco, California (© Jim Patterson/Tandem Stills + Motion)

Bavarian Alps, Germany (© JFL Photography/Adobe Stock)

Male chaffinch perched on a crab apple tree in winter (© Mark Hamblin/2020VISION/Minden Pictures)

Karlu Karlu/Devils Marbles Conservation Reserve, Australia (© Yva Momatiuk and John Eastcott/Minden Pictures)

Skier at Bernina Pass, Graubünden, Switzerland (© Francesco Bergamaschi/Getty Images)

Hot air balloons over the Rio Grande, Albuquerque, New Mexico (© Jennifer MacCornack/Shutterstock)

Stairs on the shoreline at Mylopotamos, Thessaly, Greece (© Orestis Zoumpos/Amazing Aerial Agency)

Eurasian lynx in the snow (© Jan Stria/Shutterstock)

Bukhansan National Park, South Korea (© TRAVEL TAKE PHOTOS/Shutterstock)

Road to Hana, Maui, Hawaii (© Matteo Colombo/Getty Images)

Whooper swans in Lake Kussharo, Japan (© Darrell Gulin/DanitaDelimont.com)

The Eiskapelle (Ice Chapel) at the foot of Watzmann mountain, Bavaria, Germany (© Christian Bäck/eStock Photo)

Lake Louise, Banff National Park, Alberta, Canada (© Mr. Simon Paul/Shutterstock)

Pont Alexandre III at twilight, Paris, France (© Sizun Eye/Getty Images)

Frozen waterfalls in Plitvice Lakes National Park, Croatia (© Massimo_S8/Getty Images)

Macaroni penguins, Drake Passage, Chile (© Paul Souders/Getty Images)

Eurasian red squirrel, Netherlands (© Ernst Dirksen/Minden Pictures)

Winter sunrise, Walton Lighthouse, Santa Cruz, California (© Jeff Lewis/Tandem Stills + Motion)

Atolls in Indian Ocean, Maldives (© Amazing Aerial Premium/Shutterstock)

Diamond Beach, Iceland (© Rachid Dahnoun/Tandem Stills + Motion)

Ruins of St. Dwynwen's Church, Ynys Llanddwyn, Wales, United Kingdom (© Photos by R A Kearton/Getty Images)

Northern hawk-owl (© Remo Savisaar/Alamy)

Spot-billed toucanet, Atlantic Forest, Brazil (© aaprophoto/Getty Images)

Channel Country, Outback Queensland, Australia (© Southern Lightscapes-Australia/Getty Images)

Golling Waterfall, Tennengau, Salzburg, Austria (© Frank Fischbach/Alamy)

Ayna, Sierra del Segura, Albacete, Spain (© Juan Maria Coy Vergara/Getty Images)

Burchell's zebra mother and foal, Rietvlei Nature Reserve, South Africa (© Richard Du Toit/Minden Pictures)