On the National Park Service"s Founders Day, we"re here on the North Rim of Grand Canyon National Park in Arizona peering out at the stunning vista. Can you see the rectangular hole in the canyon wall near the top of the image? That"s Angels Window. Brave hikers can make their way up to the trail above it, but the window itself is best viewed from various points along the North Rim. Far down below is the Colorado River. Beginning about 6 million years ago, it gradually carved downward through countless layers of sedimentary, igneous, and metamorphic rock. The Colorado and its tributary streams continue to deepen and widen the Grand Canyon even today.
Happy anniversary to the National Park Service!
Today in History
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Happy trails for the 21st century
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A desert arts pop-up, just popped up
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Punakaiki on South Island, New Zealand
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National Park Service Founders Day
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National Park Service anniversary
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National Park Service Founders Day
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Yellowstone for the National Park Services birthday
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Anniversary of National Park Service
More Desktop Wallpapers:
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A Latino art exhibition in Denver
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The largest American bison around
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Through an artist s eyes
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National Panda Day
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Torres del Paine National Park in Patagonia, Chile
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Lake Tekapo, New Zealand
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Ribblehead Viaduct, North Yorkshire, England
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Macro photograph of a migrant hawker dragonfly
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Christmas Eve
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Santa Catalina Arch, Antigua, Guatemala
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The forecast calls for blooms
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Juniper Springs, Florida
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World Childrens Day
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World Space Week begins
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World Bicycle Day
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Ministry of Fun Santa School
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Hitsujiyama Park, Saitama Prefecture, Japan
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Logan Creek Suspension Bridge, West Coast Trail, Canada
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Summer solstice
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Till the cows come home
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Giraffes at sunset in the Masai Mara National Reserve, Kenya
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Borrego Badlands
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Birds of the Drömling
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Hemingway’s Keys
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A meerkat stands alone
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Mother s Day
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Sundance Film Festival
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King of the dinosaurs
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Dhaka, Bangladesh
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A leafy seadragon in the waters off Wool Bay, Australia
Bing Wallpaper Gallery

