Puffins (© Nicram Sabod/Shutterstock)(Bing United States)
Bacon Creek, Mount Baker-Snoqualmie National Forest, Washington (© Ethan Welty/Tandem Stills + Motion)(Bing United States)
Scanning electron microscope (SEM) image of vaterite (© Science Photo Library)(Bing United States)
Reflection on the lake at Bergpark Wilhelmshöhe in Kassel, Germany (© Chinch Gryniewicz/plainpicture)(Bing United States)
Massive selenite crystals in the Cave of the Crystals in Naica, Mexico (© Carsten Peter/Getty Images)(Bing United States)
Opening ceremony of the 1896 Olympic Games in Panathinaiko Stadium, Athens, Greece (© Eye Ubiquitous/UIG/Getty Images)(Bing United States)
Sunrise at Pura Ulun Danu Bratan temple in Bali, Indonesia (© Rat007/Shutterstock)(Bing United States)
Long-tailed glossy starlings (© FuYi Chen/500px)(Bing United States)
Friendship Square in Dalian, China (© Rob Whitworth/Getty Images)(Bing United States)
Coffee sprouts in Costa Rica (© Istvan Kadar Photography/Getty Images)(Bing United States)
Cave on the Jordanian shore of the Dead Sea near Zara Spring (© George Steinmetz/Corbis)(Bing United States)
Composite satellite image of the Ugab River in Namibia (© NASA)(Bing United States)
The Singing Ringing Tree Panopticon over Burnley, England (© Alan Novelli/Alamy)(Bing United States)
Gare Saint-Lazare train station, Paris, France (© Hal Bergman/Getty Images)(Bing United States)
A snorkeler in the Mediterranean Sea at Cabo de Gata-Níjar Natural Park in Spain (© David Santiago Garcia/Aurora Photos)(Bing United States)
Waterfall and moss, Shenandoah National Park, Virginia (© Oliver Gerhard/imageBROKER/Alamy)(Bing United States)
Swiftcurrent Lake in Glacier National Park, Montana (© Dean Fikar/Getty Images)(Bing United States)
Tepees area, Petrified Forest National Park, Arizona (© Wilsilver77/Getty Images)(Bing United States)
Western gull chick in Channel Islands National Park, California (© George H.H. Huey/Alamy)(Bing United States)
Newfound Gap in the Great Smoky Mountains National Park between North Carolina and Tennessee (© Darrell Gulin/Exactostock-1598/SuperStock)(Bing United States)
North Window Arch in Arches National Park, Utah (© Clarence Spencer)(Bing United States)
Aerial view of Everglades National Park in Florida (© Juan Carlos Muñoz/age fotostock/Alamy)(Bing United States)
Hawai’i Volcanoes National Park (© Art Wolfe/Getty Images)(Bing United States)
American bison on the Little Missouri River in Theodore Roosevelt National Park, North Dakota (© Tom & Pat Leeson/Science Photo Library)(Bing United States)
Oasis town of Taghit, Algeria (© George Steinmetz/Corbis)(Bing United States)
Sunlight reflecting on rice paddy terraces, Yuanyang County, China (© Eastphoto/age fotostock)(Bing United States)
Common kestrel hunting for rodents (© Bertie Gregory/Corbis)(Bing United States)
Prairie smoke blossoms (© Jim Brandenburg/Minden Pictures)(Bing United States)
Oak tree canopy in Roudsea Wood, Cumbria, England (© Chris Mattison/Minden Pictures)(Bing United States)
Cirrus clouds over Guadalupe Mountains National Park, Texas (© Viktor Posnov/Getty Images)(Bing United States)
