Veluwemeer Aqueduct, Netherlands (© Frolova_Elena/Getty Images)

A coyote in Banff, Canada (© Harry Collins/Getty Images)

A coyote in Banff, Canada (© Harry Collins/Getty Images)

Porto Timoni beach, Corfu, Greece (© nantonov/Getty Images)

Southern rockhopper penguins, Falkland Islands (© Tony Beck/Getty Images)

Southern rockhopper penguins, Falkland Islands (© Tony Beck/Getty Images)

Mildred B. Cooper Memorial Chapel, Bella Vista, Arkansas, USA (© Eddie Brady/Getty Images)

Moselle River loop near Kröv, Germany (© Jorg Greuel/Getty Images)

Field of lavender, Somerset, England (© Doug Chinnery/Getty Images)

Field of lavender, Somerset, England (© Doug Chinnery/Getty Images)

Sand bar in Nakupenda Beach Nature Reserve, Zanzibar, Tanzania (© Lubos Paukeje/Alamy)

Zhangye Danxia National Geopark, Gansu, China (© TONNAJA/Getty Images)

The city of Passau reflected in the Danube, Bavaria, Germany (© Scott Wilson/Alamy)

Castelmezzano, Italy (© Rudy Balasko/Shutterstock)

Bear Hole Brook, Catskill Mountains, New York, USA (© GummyBone/Getty Images)

Cloughoughter Castle in Lough Oughter, County Cavan, Ireland (© 4H4 PH/Shutterstock)

Great hornbill, Khao Yai National Park, Thailand (© kajornyot wildlife photography/Shutterstock)

Crescent Lake near Dunhuang, Gansu Province, China (© R7 Photo/Shutterstock)

Storseisundet Bridge, Atlantic Ocean Road, Norway (© Morten Falch Sortland/Getty Images)

Hammock camping in a bald cypress tree, Florida, USA (© Mac Stone/Tandem Stills + Motion)

Edinburgh Tea Estate, Nuwara Eliya, Sri Lanka (© Jeremy Woodhouse/Getty Images)

Zebras in Tarangire National Park, Tanzania (© cinoby/Getty Images)

Zebras in Tarangire National Park, Tanzania (© cinoby/Getty Images)

Jubail Mangrove Park in Abu Dhabi, United Arab Emirates (© Amazing Aerial Premium/Shutterstock)

Arc de Triomphe du Carrousel and Louvre Pyramid, Paris, France (© Jon Hicks/Getty Images)

San Blas Islands, Panama (© bgremler/Shutterstock)

Bengal tiger, Ranthambore National Park, India (© Andy Rouse/Minden Pictures)

Farmland in the Palouse, Washington, USA (© EJ-J/Getty Images)

Rock House, Hocking Hills State Park, Ohio, USA (© Kenneth Keifer/Getty Images)

Mount Foraker viewed from Denali, Denali National Park, Alaska, USA (© Andrew Peacock/Tandem Stills + Motion)