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:
-
Penguin Awareness Day
-
In the Red Sea for World Dolphin Day
-
World Bamboo Day
-
Celebrating the first day of spring
-
FOR FOREST by Klaus Littmann
-
Fossil Day
-
Humming along
-
The buzz about bees
-
Looking back at Yellowstone, 30 years after the fires
-
Oud-West, Amsterdam, Netherlands
-
Reflections on Memorial Day
-
Seventeen arches at sunset
-
Fire-damaged forest near Wolf Creek Pass, Colorado
-
An octagonal architectural treasure
-
Earth Science Week
-
A Carpathian Christmas celebration
-
Looking down on the Otter
-
Red skies at Ruby Beach
-
A showcase for future fame
-
Twas a night just like tonight
-
Heavens Gate Cave, Tianmen Mountain National Park, China
-
Paradise, found
-
Papa was a flightless bird
-
Wahclella Falls, Oregon
-
These patterns tell a story
-
Celebrating Charles Darwin
-
Celebrating World Olive Tree Day
-
World Lake Day in the Faroe Islands
-
It s harvest time on World Food Day
-
Reflections on the mighty Amazon
Bing Wallpaper Gallery

