Lightning strikes are common during the summer monsoon in southwestern US states and northwestern Mexico. In Arizona and New Mexico, powerful thunderstorms roll in most every afternoon from early July until mid-September. Here, in the Sonoran Desert north of Tucson, Arizona, severe weather over saguaro cactus makes for a dramatic scene.
The monsoon arrives in the desert
Today in History
More Desktop Wallpapers:
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Looking back on 150 years of rail travel
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Seonam Temple, South Korea
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Desert rose of Qatar
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Celebrating Chile’s Independence Day
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Whatever floats your boat
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World Elephant Day
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Pacific Park, Santa Monica State Beach, California
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A Flag Day tradition
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Groundhog Day
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Evidence of human habitation
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Take the stairs
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Happy Cinco de Mayo!
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Horseshoe Bend, Arizona
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It s tree-climbing season
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Camels at Jaisalmer, Rajasthan, India
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Masai giraffes in Amboseli National Park, Kenya
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Halloween
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Travel Sunday: San Francisco
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Ocracoke Lighthouse on Ocracoke Island, North Carolina
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A reflection of Europe s past
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Aýna, Albacete, Spain
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A goldie gala
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Moeraki Boulders, South Island, New Zealand
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Don t forget—it’s World Elephant Day
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Martin Luther King Day
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The ruins of Italica, Andalusia, Spain
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Combating extinction with citizen science
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Mack Arch Rock
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The parenting of a piping plover
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Martin Luther King Jr. Day
Bing Wallpaper Gallery

