The burliest lumberjack with the best-oiled chainsaw couldn"t slice the massive "timbers" found in Petrified Forest National Park in northeastern Arizona. So why are these giant stone logs segmented in such symmetrical rounds, as if they"re ready to be split into firewood?
Petrified Forest National Park
Today in History
More Desktop Wallpapers:
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International Women s Day
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Christmas market in Leipzig, Germany
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Nesting season for the leatherbacks
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Redwood National and State Parks, California
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World Theater Day
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Protecting Alaska
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New Orleans for Mardi Gras
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Guild houses of Grand-Place, Brussels, Belgium
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Hawai i Volcanoes National Park at 106
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Tolkien Reading Day
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Belgium celebrates its independence
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Modica, Sicily, Italy
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Black History Month
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Camel thorn trees, Namib-Naukluft Park, Namibia
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Giants of the avian world
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It’s Penguin Awareness Day
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All eyes on sustainability
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A Latino art exhibition in Denver
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World Whale Day
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World Environment Day
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Piazza IX Aprile, Taormina, Sicily, Italy
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Portland celebrates its bounty
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Oktoberfest
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Gwalior Fort, Madhya Pradesh, India
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Vinh Hy Bay, Vietnam
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A showcase for future fame
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Poppies in bloom
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Westerheversand Lighthouse
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Snow buntings take flight
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National Park Week: Olympic National Park, Washington
Bing Wallpaper Gallery

