Red deer stag in Caledonian Forest, Glen Affric, Scottish Highlands (© Terry Whittaker/Alamy)

Aerial view of vineyards, Varnhalt, Black Forest, Germany (© Sabine Gerold/Amazing Aerial Agency)

American bison in Yellowstone National Park, Wyoming, USA (© Ian Shive/TANDEM Stills + Motion)

Caribbean flamingo nests, Ría Lagartos Biosphere Reserve, Yucatán, Mexico (© Claudio Contreras/Minden Pictures)

Grasmere, Lake District, Cumbria, England (© Thomas Molyneux/Getty Images)

Sunset in Lençóis Maranhenses National Park, Maranhão, Brazil (© thanosquest/Shutterstock)

Shi Shi Beach in Olympic National Park, Washington, USA (© T.M. Schultze/TANDEM Stills + Motion)

Vancouver Coastal Sea wolves in Great Bear Rainforest, British Columbia, Canada (© Nick Garbutt/Alamy Stock Photo)

Aerial view of glacial rivers in Iceland (© rybarmarekk/Shutterstock)

Milky Way, Aït Benhaddou, Morocco (© Cavan Images/Getty Images)

Caribbean flamingos, Yucatán Peninsula, Mexico (© Claudio Contreras/NPL/Minden Pictures)

Sunset at Banff National Park, Alberta, Canada (© fywPhoto 云卷云舒/Getty Images)

Double Arch seen through Cove Arch, Arches National Park, Utah, USA (© Jeff Foott/Minden Pictures)

California sea lion in a forest of giant kelp, Baja California, Mexico (© Claudio Contreras/Minden Pictures)

Manarola, Cinque Terre National Park, Liguria, Italy (© John_Silver/Shutterstock)

Yi Peng lantern festival, Chiang Mai, Thailand (© tampatra/Getty Images)

Wadden Sea coast, near Moddergat, Friesland, Netherlands (© Ron ter Burg/Minden Pictures)

Porthcawl lighthouse, South Wales, UK (© Leighton Collins/Alamy)

Tasmans Arch, Tasmania, Australia (© Gary Bell/Minden Pictures)

Giant land art painting 'Beyond Crisis' by Saype, Leysin, Switzerland (© VALENTIN FLAURAUD/EPA-EFE/Shutterstock)

Aspen trees in autumn, Stewart-Cassiar Highway, British Columbia, Canada (© Yva Momatiuk and John Eastcott/Minden Pictures)

Castle of Zafra, Guadalajara province, Spain (© Eduard Gene/Getty Images)

Spiral aloe, Kangaroo Island, Australia (© Michael Melford/Alamy)

Sonoma Coast State Park, California, USA (© Rachid Dahnoun/Tandem Stills + Motion)

Maasai giraffes, Amboseli National Park, Kenya (© Art Wolfe/DanitaDelimont.com)

Olive grove, Valle d'Itria, Puglia, Italy (© Massimo Santi/Shutterstock)

Giant's Tomb in autumn, Bouillon, Belgium (© David Briard/Getty)

Clearing storm at sunset, Mount Assiniboine Provincial Park, Canada (© Jeff Lewis/TANDEM Stills + Motion)

Mont-Saint-Michel, Normandy, France (© Captain Skyhigh/Getty Images)

Kilchurn Castle reflecting in Loch Awe, Argyll and Bute, Scotland (© Tom Mackie/plainpicture)