Exposed pine roots cascading down a slope, in Mont-Tremblant National Park, Quebec, Canada (© Rasvan ILIESCU/Alamy)(Bing Canada)

Moraine Lake in Banff National Park, Alberta, Canada (© Getty Images)(Bing Canada)

Salar De Uyuni, Bolivia (© Kazuyoshi Nomachi/Corbis)(Bing Canada)

The East Coast of the United States as seen from the International Space Station (© NASA)(Bing Canada)

Yellow-headed blackbird in Flathead Valley, Montana (© Steven Gnam/Tandem Stock)(Bing Canada)

Fall colors on Pinecone Ridge near Park City, Utah (© Patrick Brandenburg/Tandem Stock)(Bing Canada)

Bioluminescence in the Gippsland Lakes, Victoria, Australia (© Stocktrek Images/Getty Images)(Bing Canada)

Red deer in Richmond Park, a national nature reserve and deer park in London, England (© NHPA/SuperStock)(Bing Canada)

Skerwink Trail, Bonavista Peninsula, Newfoundland Island, Canada (© Reinhard Schmid/4Corners)(Bing Canada)

Habitat 67, Montreal, Quebec (© Yves Marcoux/age fotostock)(Bing Canada)

Palace of Fine Arts in the Marina District of San Francisco, California (© vns24@yahoo.com/Getty Images)(Bing Canada)

Aerial view of the coastline at Sand Point, Somerset, England (© Richard Cooke/Alamy)(Bing Canada)

Inside the Bund Sightseeing Tunnel under the Huangpu River in Shanghai, China (© Gavin Hellier/Alamy)(Bing Canada)

Aerial view of a volcano caldera, Isabela Island, Galápagos Islands, Ecuador (© Frans Lan/age fotostock)(Bing Canada)

Long-tailed widowbird male in breeding plumage, Marievale Bird Sanctuary, South Africa (© Richard Du Toit/Corbis)(Bing Canada)

Mountain Viscacha (Lagidium viscacia) yawning, near the salt lake, Salar de Surire, in the province of Parinacota, far northern Chile (© Bob Wickham/Oxford Scientific/Getty Images)(Bing Canada)

Heceta Head Light, near Florence, Oregon (© Craig Tuttle/Corbis)(Bing Canada)

Long-exposure photograph of fireflies in a forested area near Nagoya City, Japan (© Yume Cyan)(Bing Canada)

Raised boardwalk and white birch trees in Sackville Waterfowl Park, Sackville, New Brunswick, Canada (© Dale Wilson/Getty Images)(Bing Canada)

Studena Dam, Struma River, Bulgaria (© Ivan Pendjakov/age fotostock)(Bing Canada)

Barchan dunes along the Pacific Coast, Guerrero Negro, Mexico (© George Steinmetz/Corbis)(Bing Canada)

Red-eyed or gaudy leaf frog with mushrooms, in the rainforest of Selva Verde, Costa Rica (© Tandem Stock)(Bing Canada)

Phosphate crystals magnification (© Steve Gschmeissner/Getty Images)(Bing Canada)

Boat tour around the rock of Percé, Quebec, Canada (© Maremagnum/Photodisc/Getty Images )(Bing Canada)

The Swiftwater Bridge crosses the Wild Ammonoosuc River near Bath, New Hampshire (© Daniel Dempster Photography/Alamy)(Bing Canada)

Termite mounds and snappy gums in savannah grassland, Gulf Country, Queensland, Australia (© Bill Bachman/Alamy)(Bing Canada)

Aerial view of the Tobago Cays group of islands, St. Vincent and the Grenadines (© Yann Arthus-Bertrand/Corbis)(Bing Canada)

Fairmont le Chateau Frontenac hotel, Quebec City, province of Quebec, Canada (©Robert Harding Picture Library Ltd / Alamy)(Bing Canada)

Butterflies resting on a caiman in the Pantanal, Brazil (© Frank Lukasseck/Corbis)(Bing Canada)

Multicolored cobblestones in the Spanish Village Art Center in Balboa Park, San Diego, California (© Marco Brinkman)(Bing Canada)

Montage of scenes from horror films, from left to right, “Friday the 13th Part II” (1981), “Psycho” (1960), “Poltergeist” (1982), “The Shining” (1980), “Halloween” (1978), and “The Amityville Horror” (1979) (© Ben Erickson/Gary Spradling/Getty Images)(Bin