Beaded skull ornaments created for celebrations of Day of the Dead in Pátzcuaro, Mexico (© Rodrigo Cruz/Getty Images) © (Bing United States)

Aerial view of Tamul waterfall in the Huasteca Potosina region, Mexico (© Patricio Robles Gil/Getty Images) © (Bing United States)

Interior of Graduate Reading Room at Suzzallo Library, University of Washington, Seattle (© Michael T. Sedam/Corbis) © (Bing United States)

The twin peaks of Mount Ushba in the Greater Caucasus mountain range (© Brooks Kraft/Corbis) © (Bing United States)

Close-up of watch cogwheel (© Clip Canvas) © (Bing United States)

Freshwater ectoproct bryozoan (© Wim van Egmond/Corbis) © (Bing United States)

Icelandic horses running through a lagoon in Iceland (© Tim Flach/Getty Images) © (Bing United States)

Interior of the Sydney Opera House, Australia (© Hervé Hughes/Corbis) © (Bing United States)

Yellow Mound Overlook area of Badlands National Park, South Dakota (© Carol Barrington/Aurora Photos) © (Bing United States)

Solider walking in confetti after a parade (© Visions of America/Joe Sohm/Digital Vision/Getty Images) © (Bing United States)

Clouds cover a seabird rookery high on a sea stack cliff on Boreray Island, St. Kilda archipelago, Scotland (© Jim Richardson/Corbis) © (Bing United States)

Utah State Capitol building (© Joseph Sohm/Corbis) © (Bing United States)

Sheepdog guards a flock of sheep in the Tatra Mountains, Poland (© Henryk T. Kaiser/Age Fotostock/Photolibrary) © (Bing United States)

City wall and watch tower in San Juan, Puerto Rico (© Zhang Jun/Xinhua Press/Corbis) © (Bing United States)

White-lined leaf frog walking on branch at Manu National Park, Cruz de Mayo, Madre de Dios, Peru (© Frans Lemmens/Getty Images) © (Bing United States)

Close-up of a ring-tailed lemur with its offspring (© SuperStock) © (Bing United States)

Aspens and snow on the red cliffs of Redstone, Colorado (© Terry Eggers/Danita Delimont) © (Bing United States)

Buildings in Nice, France (© Bharat Ranjan, FragmentOne Studios) © (Bing United States)

Curly kale with raindrops (© Gap Photos/Visuals Unlimited, Inc.) © (Bing United States)

Reflection of an old tree with fog in Jusanji Lake/Cheongsonggun, Gyeongsangbuk-do, South Korea (© Multi-bits/Getty Images) © (Bing United States)

Tent and prayer flags, Tagong Grasslands, Sichuan, China (© Robert Harding Picture Library/Superstock) © (Bing United States)

Tube anemone (© Stuart Westmorland/Corbis) © (Bing United States)

Kogelberg Mountains, South Africa (© Martin Harvey/Corbis) © (Bing United States)

Elephants on Stone Statue Road at Ming Xiaoling Mausoleum, Zijin Shan, Nanjing, Jiangsu, China (© Ian Trower/Corbis) © (Bing United States)

Antelope Canyon near Page, Arizona (© Stephen Matera) © (Bing United States)

Great Glacier Provincial Park, Lower Stikine, British Columbia, Canada (© Gary Fiegehen/Corbis) © (Bing United States)

A young ibex in El Torcal Nature Reserve near Antequera, Andalucia, Spain (© SIME/eStock Photo) © (Bing United States)