An aerial view shows part of the Hoover Dam Bypass Project in front of the Hoover Dam in the Lake Mead National Recreation Area, Nevada -- Ethan Miller/Getty Images © (Bing United States)
Mirror arrays concentrate light, making electricity near Albuquerque, New Mexico -- Michael Melford/Corbis © (Bing United States)
Yongbulakang palace, once the summer home of King Songtsan and Princess Wencheng in Tibet -- Zhao Lishan/National Geographic © (Bing United States)
Isla Saona, Dominican Republic -- Antonino Bartuccio/Corbis © (Bing United States)
The world’s tallest building, Burj Khalifa, in downtown Dubai, United Arab Emirates -- Jens Neumann/Edgar Rodtmann/National Geographic © (Bing United States)
Galleria Umberto I in Naples, Italy -- SIME / eStock Photo © (Bing United States)
Mountain goat overlooking Hidden Lake and Bearhat Mountain, Glacier National Park, Montana -- Roberta Olenick/Corbis © (Bing United States)
Alligator float during the Mardi Gras celebration in New Orleans, Louisiana -- Richard Cummins/Corbis © (Bing United States)
Sunrise on the beach at Jökulsárlón in Iceland -- Ivan Meljac © (Bing United States)
The Alatna River meanders south from the Gates of the Arctic National Park and Preserve, Alaska -- Michael Christopher Brown/National Geographic © (Bing United States)
Lindau Harbor, with lighthouse and lion statue, on Lake Constance, Bavaria, Germany -- Charles Mahaux/Photolibrary © (Bing United States)
Railyard full of coal cars near Hampton Roads, Virginia -- Louie Psihoyos/Corbis © (Bing United States)
Collare butterflyfish and soft coral in Surin Islands Marine National Park, Thailand -- F. Stuart Westmorland/Corbis © (Bing United States)
Church of St. John (Sveti Jovan) at Kaneo beach overlooking Lake Ohrid, Macedonia -- Jon Arnold Images/Masterfile © (Bing United States)
Midland Theater in Kansas City, Missouri -- Michael Robinson/Corbis © (Bing United States)
Close up of belladonna lily pistil and stigma with pollen -- Joe Petersburger/Corbis © (Bing United States)
Gathering of people during Holi (Festival of Colors), India -- Poras Chaudhary/Getty Images © (Bing United States)
Willow tit (Poecile montanus) perched on branch with berries -- Aso Fujita/Corbis © (Bing United States)
Arches under the Khaju Bridge in Esfahan, Iran -- Eric Martin/Photolibrary © (Bing United States)
Viscous lava from Kilauea continues to pour into the ocean at Kalapana, Hawaii -- Bruce Omori/Corbis © (Bing United States)
Picturesque town of Vernazza located in northwestern Italy -- SIME / eStock Photo © (Bing United States)
Fields of blooming brassica napus plant near Ried, Austria – Walter Geiersperger/Corbis © (Bing United States)
Cherry blossoms frame the Jefferson Memorial in Washington, D.C. -- John Aikins/Corbis © (Bing United States)
Red rock arch at Legzira beach near Sidi Ifni, Morocco -- SIME /eStock Photo © (Bing United States)
One of the dozens of currently active volcanoes in Java, Indonesia -- Jessy Eykendorp–My Shot/National Geographic © (Bing United States)
Chairs line the beach in St. Petersburg, Florida -- SIME / eStock Photo © (Bing United States)
Green Algae (Volvox Aureus) photographed using darkfield magnification technique -- Visuals Unlimited/Corbis © (Bing United States)
Baby red fox photographed near Trento, Italy -- Nicola Angeli/Corbis © (Bing United States)
