VanDusen Botanical Garden, Vancouver, Canada (© Greg Vaughn/Alamy)

Mandarin ducks, South Korea (© VDCM image/Getty Images)

Ancient stone windmill, France (© Damocean/iStock/Getty Images Plus)

Blue agave field near Atotonilco, Jalisco, Mexico (© Brian Overcast/Alamy)

Bluebells, Hertfordshire, England (© JayKay57/Getty Images)

La Silla ESO Observatory, Chile (© Alberto Ghizzi Panizza/Getty Images)

Koalas, Queensland, Australia (© Suzi Eszterhas/Minden Pictures)

Göreme, Cappadocia, Turkey (© Anton Petrus/Getty Images)

Panther Creek Falls, Gifford Pinchot National Forest, Washington, USA (© Stephen Matera/Tandem Stills + Motion)

Oia, Santorini, Greece (© Zebra-Studio/Shutterstock)

River Brathay, Lake District, England (© fstopphotography/Getty Images)

Masai giraffe, Maasai Mara, Kenya (© Andy Rouse/Minden Pictures)

Windmills, Kinderdijk, Netherlands (© Achim Thomae/Getty Images)

Blood moon, Bernina Range, Eastern Alps, Engadin, Switzerland (© Bernd Zoller/Shutterstock)

Burrowing owls, Pawnee National Grassland in Colorado, USA (© Roberta Olenick/Alamy)

Maras salt ponds, Sacred Valley of the Incas, Peru (© Fotofeeling/Westend61 on Offset/Shutterstock)

Glücksburg Castle, Schleswig-Holstein, Germany (© Christian Back/eStock Photo)

Zhangjiajie Glass Bridge, Hunan, China (© MediaProduction/Getty Images)

Honey bee, Tatra Mountains, Poland (© Mirek Kijewski/Getty Images)

Albion Falls, Hamilton, Ontario, Canada (© Alexander Sviridov/Shutterstock)

Rietvlei Nature Reserve, South Africa (© Richard Du Toit/Minden Pictures)

Kolli Hills, Tamil Nadu, India (© surangaw/iStock/Getty Images Plus)

Kornati National Park, Croatia (© Anton Petrus/Getty Images)

Alhambra, Granada, Andalucia, Spain (© Armand Tamboly/Getty Images)

Monteverde Cloud Forest, Costa Rica (© Dmitriy Burlakov/Getty Images)

Golden Gate Bridge, San Francisco, California, USA (© Jeff Lewis/Tandem Stills + Motion)

Bungle Bungle Range, Purnululu National Park, Australia (© Francesco Riccardo Iacomino/Getty Images)

Hyalite Creek, Custer Gallatin National Forest, Montana, USA (© Jared Lloyd/Getty Images)

Athabasca Falls, Alberta, Canada (© Robert Postma/Getty Images)

Scarlet macaw, Costa Rica (© Harry Collins/Getty Images)