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:
-
Train crossing the Tadami River in Japan
-
A sleeping green giant
-
Mid-Autumn Festival
-
National Library Week
-
Yellow-eyed penguins, Moeraki, New Zealand
-
The town of Pienza in Tuscany, Italy
-
Wahclella Falls, Oregon
-
The Twin Cities celebrate Pride
-
Happy Cinco de Mayo!
-
Casting a vote for women s history
-
An emerald isle of the Emerald Isle
-
Life goes on at the Beatles Ashram
-
Up in the Highlands
-
Mount Hamilton, near San Jose, California
-
National Go Birding Day
-
Mountain mists over Bavaria
-
Fresh water on the Silk Road
-
Old Rock Day
-
Happy Thanksgiving from an expert face-stuffer
-
Get on your bike and ride
-
Menton, France
-
A path to access
-
Celebrating a Paris landmark
-
World Elephant Day
-
Dusky eagle-owls, Pakistan
-
Tortula moss, Netherlands
-
A treaty for science
-
International Women s Day
-
Bobbing for crab apples
-
Celebrating sea otters
Bing Wallpaper Gallery

