Tuff hills and cave dwellings in Uchisar, Cappadocia, Turkey (© Paule Seux/Corbis) © (Bing United States)
Alpine marmots (© Westend/Superstock) © (Bing United States)
Historical photo of a 1937 football game between the Washington Redskins and the New York Giants at the Polo Grounds, New York City (© Bettmann/Corbis) © (Bing United States)
Unnamed lake in the southern Cariboo region of British Columbia, Canada (© Chris Harris/Corbis) © (Bing United States)
Monument to the Revolution, Mexico City (© Thom Lang/Corbis) © (Bing United States)
Fly Geyser near Black Rock Desert, Nevada (© Ropelato Photography/Getty Images) © (Bing United States)
A pair of bottlenose dolphins (Tursiops truncatus) breaches in the Moray Firth, Scotland (© Charlie Phillips/Aurora Photos) © (Bing United States)
Lake Bled, Slovenia (© Marko Trebusak/Alamy) © (Bing United States)
Bungle Bungle Range in Purnululu National Park, Australia (© Theo Allofs/Corbis) © (Bing United States)
Lantern decorations at Dìtán Park in Beijing, China (© John Warburton Lee/Superstock) © (Bing United States)
Iguazú Falls National Park at the borders of Argentina and Brazil (© Frans Lanting/Corbis) © (Bing United States)
French Quarter in New Orleans, Louisiana (© Flirt/SuperStock) © (Bing United States)
A remote beach in the Similan Islands, Thailand (© Clipcanvas) © (Bing United States)
Little owls roost in Extremadura, Spain (© Werner Bollmann/age fotostock) © (Bing United States)
Detail of the underside of a giant Amazon water lily, Amazonas state, Brazil (© PhotoLink/Getty Images) © (Bing United States)
Kraków, Poland (© Henryk T. Kaiser/age fotostock) © (Bing United States)
Empty seedpods from a kassod tree in the district of Anantapur, Andhra Pradesh, India (© Tim Gainey/Alamy) © (Bing United States)
The Lincoln Memorial on the National Mall in Washington, D.C. (© Ocean/Corbis) © (Bing United States)
Horse’s hoof clam near Rongelap Atoll in the Marshall Islands (© Andre Seale /Aurora Photos) © (Bing United States)
Dovecotes in the Katara Cultural Village in Doha, Qatar (© Omar Chatriwala/Getty Images) © (Bing United States)
Lake Quesillococha in the Cordillera Huayhuash, Peru (© Arroz Marisco/360cities.net) © (Bing United States)
Polar bear near Hudson Bay in Churchill, Manitoba, Canada (© Galen Rowell/Corbis) © (Bing United States)
Bridge in the Huangshan Mountain range, Anhui province, China (© Frank Lukasseck/Corbis) © (Bing United States)
Black herons in the Moremi Game Reserve, Botswana (© Ben Cranke/Getty Images) © (Bing United States)
Otter Cliff in Acadia National Park, Maine (© Nate Parker Maine Photography/Getty Images) © (Bing United States)
Alex Cole Cabin at Jim Bales Place, Roaring Fork Motor Nature Trail in the Great Smoky Mountains National Park, Tennessee (© Adam Jones/Getty Images) © (Bing United States)
A herd of elephants in the Masai Mara National Reserve, Kenya (© Getty Images) © (Bing United States)
