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:
-
Moody skies over Valletta
-
Haven t you herd? It s World Elephant Day!
-
Martinique
-
Northern cardinal in winterberry bush
-
A triumph of light
-
Celebrating Charles Darwin
-
Hoodoos, Sunset Point, Bryce Canyon National Park, Utah
-
What s cuter than nuzzling rhinos?
-
Antarctica Day
-
Summer’s in home stretch
-
Pretty in pink, and purple, and red…
-
Traveling warblers
-
World Laughter Day
-
Ponta da Piedade rock formations in Portugal
-
What kind of bird laid these eggs?
-
Citizenship Day and Constitution Day
-
Stepping into autumn
-
Upper Geyser Basin, Yellowstone National Park
-
Valentines Day
-
Pacific Park, Santa Monica State Beach, California
-
Bathing in the light of Pride
-
Flock together for Cousins Day
-
Rising up from the black sand like rock gods
-
Mackerel forming a bait ball to avoid predators
-
Tasiilaq, Greenland
-
Fiddlehead fern fronds
-
World Population Day
-
A tree amid the Tetons
-
Black bear cub emerging into spring
-
Kochia, Hitachi, Ibaraki prefecture, Japan
Bing Wallpaper Gallery

