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

An Australian koala perched in a gum tree overlooking the scenery (© juuce/Getty Images)(Bing Australia)

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

Sunset at Ruby Beach in Olympic National Park, Washington state (© Adam Mowery/Tandem Stills + Motion)(Bing Australia)

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

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

People looking at the crowded Avenue des Champs-Élysées from the Arc de Triomphe on May 8, 1945, Paris, France (© AFP via Getty Images)(Bing Australia)

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

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

Carlton Gardens fountain and autumn trees catching the sunlight in front of the Royal Exhibition Building, Melbourne (© CBCK-Christine/iStock/Getty Images Plus)(Bing Australia)

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

Moose snacking on water lilies in Millinocket, Maine (© Scott Suriano/Getty Images)(Bing Australia)

Rice fields in the Sidemen Valley, with Mount Agung in the background, Bali, Indonesia (© Jon Arnold/Danita Delimont)(Bing Australia)

Grand Canyon and Colorado River from Toroweap Overlook, Grand Canyon National Park, Arizona (© Matteo Colombo Travel Photo/Shutterstock)(Bing Australia)

The Old Patriarch Tree of Grand Teton National Park, Wyoming (© George Sanker/Minden Pictures)(Bing Australia)

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

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

Roaring Fork in Great Smoky Mountains National Park, Tennessee (© Paul Hassell/Tandem Stills + Motion)(Bing Australia)

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

Vineyard in the Adelaide Hills region, Australia (© Ben Goode/iStock/Getty Images Plus)(Bing Australia)

Reichenbach Falls, Bernese Oberland, Switzerland (© Chris Milne/Alamy)(Bing Australia)

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

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

Pansy orchid (diuris magnifica) flowers in Kings Park, Perth (© Christian Ziegler/Minden Pictures)(Bing Australia)

Cheetah cubs climbing acacia trees in Ngorongoro Conservation Area, Tanzania (© Paul Souders/Getty Images)(Bing Australia)

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

The long plumes of a three-flowered avens as it goes to seed (© Sunshine Haven Photo/Shutterstock)(Bing Australia)

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

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

Grey wolf with begging pup, Montana (© Tim Fitzharris/Minden Pictures)(Bing Australia)

Great Barrier Reef, Queensland, Australia (© AWL Images/Danita Delimont)(Bing Australia)