Day of the Dead calaca figurines (© Inti St. Clair/Blend Images/Getty Images)(Bing United States)

Fishing docks on the Sado Estuary, near Comporta, Portugal (© Francesco Carovillano/Tandem Stills + Motion)(Bing United States)

Archers at the Meiji Shrine, Tokyo, Japan (© Rob Tilley/Danita Delimont)(Bing United States)

A great gray owl on the hunt (© Jan Vermeer/Minden Pictures)(Bing United States)

Ilulissat Icefjord, Greenland (© Stefan Eisend/Alamy Stock Photo)(Bing United States)

Sea anemone off the coast of Thailand (© ThanakonHD/Creatas/Getty Images)(Bing United States)

Crown Point at Columbia River Gorge, Oregon (© JPL Designs/Shutterstock)(Bing United States)

Pygmy goats butting heads (© Robert Pickett/Visuals Unlimited, Inc.)(Bing United States)

Catatumbo lightning over Zulia, Venezuela (© TOURISM MINISTRY/Xinhua Press/Corbis)(Bing United States)

Aerial view of Chinatown, Singapore (© Eddie Cheng/500px)(Bing United States)

World War II Memorial, Washington, DC (© Ixefra/Getty Images)(Bing United States)

Hanford Reach National Monument, Washington State (© Jon Cornforth/Danita Delimont)(Bing United States)

Island of Janitzio in Lake Pátzcuaro, Mexico (© Brian Overcast/Alamy)(Bing United States)

Rock formations in Kalbarri National Park, Australia (© R. Ian Lloyd/Masterfile)(Bing United States)

View of the Eiffel Tower from the Trocadero, Paris, France (© Stefano Brozzi/SIME/4Corners)(Bing United States)

Black grouse males, Bergslagen, Sweden (© E. Haarberg/Corbis)(Bing United States)

Reykjavik, Iceland (© Arctic-Images/Getty Images)(Bing United States)

Lake Superior Provincial Park, Ontario, Canada (© Don Johnston/Corbis)(Bing United States)

Museum at Prairiefire in Overland Park, Kansas (© Derek Siagle/Getty Images)(Bing United States)

View from the Cupola of the International Space Station (© NASA)(Bing United States)

Kanas National Nature Reserve in Xinjiang Uyghur Autonomous Region, China (© zhouyousifang/Getty Images)(Bing United States)

Pipe segments for the Fort Peck Dam in Montana (© Margaret Bourke-White/The LIFE Picture Collection/Getty Images)(Bing United States)

Marine iguana eating algae off Fernandina Island, Galápagos Islands, Ecuador (© Tui De Roy/Minden Pictures)(Bing United States)

Fire lanterns released during Loi Krathong in Chiang Mai, Thailand (© Kevin Landwer-Johan/Alamy)(Bing United States)

Wild turkeys in Rio Grande, Texas (© Radius Images/Getty Images)(Bing United States)

Govăjdia blast furnace, Ghelari, Romania (© Grigore Roibu/plainpicture)(Bing United States)

Architectural detail of Rinpung Dzong in Paro, Bhutan (© Ocean/Corbis)(Bing United States)

West Fork of Oak Creek Canyon in Arizona (© Tandem Stills + Motion)(Bing United States)

Modica, Sicily, Italy (© Robert Harding World Imagery/Offset)(Bing United States)