Ruins of a kasbah in Kalaat M'Gouna, Morocco (© Leonid Andronov/Getty Images)

Snowy owl at Long Island, New York, USA (© Vicki Jauron/Getty Images)

Salar de Uyuni, Bolivia (© Ignacio Palacios/Getty Images)

Male king eider ducks swimming in Troms og Finnmark, Norway (© Pal Hermansen/Minden Pictures)

Inca fortress of Sacsayhuamán near Cusco, Peru (© Susanne Kremer/eStock Photo)

Golden eagle flying over a field, Glenfeshie (© Blickwinkel/Alamy Stock Photo)

Crowds on the Champs-Élysées on 8 May 1945, Paris, France (© AFP via Getty Images)

Barn owl sitting on a branch (© blickwinkel/Alamy)

Pemaquid Point Light in Maine's Damariscotta region, USA (© Tom Whitney/Adobe Stock)

Roe deer (Capreolus capreolus) in meadow with poppies (© Arterra Picture Library/Alamy)

Painted and leaded glass window panel at the Florence Nightingale Museum, London (© David Gee/Alamy)

Rice fields in the Sidemen Valley and Mount Agung, Bali, Indonesia (© Jon Arnold/Danita Delimont)

Grand Canyon and Colorado River from Toroweap Overlook, Arizona, USA (© Matteo Colombo Travel Photo/Shutterstock)

Bronze sculpture of child and his grandfather caring for plants and flowers, Cordoba, Spain (© David M G/Alamy)

Fishing village of Henningsvær with Henningsvær Idrettslag Stadion, Nordland, Norway (© Viktor Posnov/Alamy)

National Museum of Qatar in Doha, Qatar (© Hasan Zaidi/Shutterstock)

Formentor lighthouse at the tip of Cap de Formentor, Mallorca, Spain (© Lasse Eklöf/DEEPOL by plainpicture)

Fields of lavender and sunflowers with beehives in Provence, France (© leoks/Shutterstock)

Strolling the Biltmore, a painting by Jeff Hanson (© Jeff Hanson Art)

‘Strolling the Biltmore,’ a painting by visually impaired artist Jeff Hanson (© Jeff Hanson Art)

A male yellow-bellied slider (© Marko Markovic Photography/Shutterstock)

Aerial view of Everglades National Park, Florida, USA (© Tetra Images/Getty Images)

Greenan Maze in County Wicklow, Ireland (© Peter Krocka/Shutterstock)

Halnaker tree tunnel near Chichester, West Sussex (© Lois GoBe/Shutterstock)

Luftaufnahme des Everglades-Nationalparks (© Tetra Images/Getty Images)

Carreg Cennen castle in the Brecon Beacons, Camarthenshire (© Adam Burton/Alamy Stock Photo)

Aerial view of Marley Beach, Bermuda (© Paul Zizka/plainpicture)

Santa Cruz River, Patagonia, Argentina (© Coolbiere Photograph/Getty Images)

Santa Cruz River, Patagonia, Argentina (© Coolbiere Photograph/Getty Images)

Gray wolf with pup, Montana (© Tim Fitzharris/Minden Pictures)