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
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Gemsbok in Namibian sand dunes
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From garden to table?
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Channel Country, Australia
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Happy Pi Day!
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World Rainforest Day
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Bryce Canyon National Park, Utah
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Desert rose of Qatar
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Fall comes to the Last Frontier
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Happy Thanksgiving from an expert face-stuffer
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These laurels are hardy
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Leaves of Grass
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Songkran—Thai New Year
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National Aviation Day
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The Sky Over Nine Columns in Venice, Italy
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The village of Castelluccio above the Piano Grande, Umbria, Italy
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What are we looking at?
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Rainbow River, Rainbow Springs State Park, Florida
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Citizenship Day and Constitution Day
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A Eurasian lynx in Siberia
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Celebrating Chile’s Independence Day
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Travels to the Oregon deep
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Christmas market at Belvedere Palace in Vienna
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International Geodiversity Day
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Penn Station
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Look to the north sky tonight for the Perseids
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A step toward freedom
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Satla marshland in Bangladesh
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The birthplace of a classic Christmas carol
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Diwali
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National Park Week continues
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