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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Hawaii Volcanoes National Park turns 103
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Big Bend National Park in Texas turns 81
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Happy Bee Day to you
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Teacher Appreciation Day
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The Crown of the Continent
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Milford Sound/Piopiotahi rainforest in New Zealand
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World Migratory Bird Day
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It s National Camera Day. Get the picture?
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Anybody out there?
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World Teachers Day
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Santa Claus Village in Rovaniemi, Lapland, Finland
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Christmas market, St. Stephens Basilica, Budapest, Hungary
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Craig Goch Dam in the Elan Valley of Wales
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International Day for the Conservation of the Mangrove Ecosystem
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Lake Tekapo, New Zealand
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A towering view of the Pale Mountains
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World Lizard Day
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Glenariff Forest Park, Northern Ireland, UK
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Skyscraper Day
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The first ascent
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Earth Day and National Park Week
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Barracudas at Shark Reef, Ras Mohammed National Park, Sinai Peninsula, Egypt
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Lake Pehoé, Torres del Paine National Park, Chile
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Going with the floe
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A long path to freedom
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Merry and bright
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A path into history
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Venture into a prehistoric gallery of art
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Carlsbad Caverns National Park in New Mexico
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Don’t get lost in there
Bing Wallpaper Gallery

