Skeletons (calacas) dressed up for Día de los Muertos celebrations in Mexico (© Amelia Fuentes Marin/Getty Images)(Bing Canada)

Autumn colours in Kluane National Park and Reserve, Yukon (© David Noton Photography/Alamy Stock Photo)(Bing Canada)

Mount Kilimanjaro with Cape buffalo in foreground, Amboseli Biosphere Reserve, Kenya (© RealityImages/Shutterstock)(Bing Canada)

Depiction of deities from the Tomb of Tutankhamun at the Egyptian Museum, Cairo, Egypt (© Stefan Lippmann/Universal Images Group via Getty Images)(Bing Canada)

Tigh Mor Trossachs on Loch Achray, Scotland (© Fortunato Gatto/eStock Photo)(Bing Canada)

Runners in the 1990 New York City Marathon crossing the Verrazzano-Narrows Bridge (© David Madison/Getty Images)(Bing Canada)

Lunar eclipse above Mount Crested Butte, Colorado (© Mengzhonghua Photography/Getty Images)(Bing Canada)

Sky lanterns take flight during the Yi Peng Festival in Chiang Mai, Thailand (© Suttipong Sutiratanachai/Getty Images)(Bing Canada)

European hedgehog in Sussex, England (© Jules Cox/Minden Pictures)(Bing Canada)

Peyto Lake, Banff National Park, Alberta, Canada (© Ben Girardi/Cavan Images)(Bing Canada)

An aerial picture of the Canadian National Vimy Memorial in Vimy Ridge, France (© Denis Charlet/AFP via Getty Images)(Bing Canada)

Group of bald eagles near Haines, Alaska (© Marion Vollborn/Minden Pictures)(Bing Canada)

Mount Abu and the Aravalli Range in Rajasthan, India (© saiko3p/Shutterstock)(Bing Canada)

Ruins of the medieval castle of the Knights of St. John above the village of Chorio, Halki Island, Greece (© Massimo Ripani/eStock Photo)(Bing Canada)

North American river otters swimming in Acadia National Park, Maine (© George Sanker/Minden Pictures)(Bing Canada)

Cliff dwellings in Mesa Verde National Park in Colorado (© Brad McGinley Photography/Getty Images)(Bing Canada)

Bridge on the McKenzie River Trail, Willamette National Forest, Oregon (© Don Paulson/Danita Delimont)(Bing Canada)

The gates of the Royal Palace (Dar El Makhzen) in Fez, Morocco (© Adam Smigielski/Getty Images)(Bing Canada)

Virgin River in Zion National Park, Utah (© Jonathan Ross/Getty Images)(Bing Canada)

Land art painting entitled 'World in Progress II' by artist Saype at the Headquarters of the United Nations in New York City (© Valentin Flauraud/Shutterstock)(Bing Canada)

Ahmad Bin Ali Stadium in Doha, Qatar (© Qatar 2022/Supreme Committee via Getty Images)(Bing Canada)

Red fox in Amsterdamse Waterleidingduinen Nature Reserve in the Netherlands (© Edwin Giesbers/Minden Pictures)(Bing Canada)

Sunflower (© Dileep Chandran/Alamy)(Bing Canada)

Preveli gorge with river and palm tree forest, South Chania, Crete, Greece (© borchee/Getty Images)(Bing Canada)

Juniper Springs in Ocala National Forest, Florida (© Michael Warren/Getty Images)(Bing Canada)

People watch the Christmas lights and fireworks at the Nathan Phillips Square in Toronto on November 30, 2013 (© Canadapanda/Shutterstock)(Bing Canada)

Cecropia leaf atop lobster claw petals, Mexico (© Gerry Ellis/Minden Pictures)(Bing Canada)

Mars (© NASA/Alamy)(Bing Canada)

Great blue herons building a nest in Wakodahatchee Wetlands, Delray Beach, Florida (© Imagebroker/Alamy)(Bing Canada)

The Old Town of Rovinj, Croatia (© trabantos/Shutterstock)(Bing Canada)