International Rock Day, on July 13, celebrates these hardy heroes, which have played a big part in human history since at least the Stone Age. They served as humanity"s first tools and as nature"s journals, protecting ancient fossils and documenting changes caused by geological processes.
International Rock Day
Today in History
More Desktop Wallpapers:
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Yosemite National Park turns 132
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Russell lupines, Lake Tekapo, New Zealand
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A midsummer twilight s dream
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Great wildebeest migration at Mara River, Kenya
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Hoodoos, Sunset Point, Bryce Canyon National Park, Utah
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Ring of Brodgar, Orkney, Scotland
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Busy building wetlands
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Birds of the Drömling
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Trevi in bloom
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Yi Peng Festival in Chiang Mai, Thailand
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Welcome to ‘Hollywood North’
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The Bahamas
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It’s Giving Tuesday
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Wild turkeys in repose
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Mexico celebrates its Independence Day
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Nakupenda Beach Nature Reserve, Zanzibar, Tanzania
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Pi Day
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Ribblehead Viaduct, North Yorkshire, England
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Old Town of Rovinj, Croatia
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Does this chameleon look a little insecure?
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Lake Bled, Slovenia
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Vieste, Apulia, Italy
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Valentines Day
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International Beaver Day
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Friendship Day
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Marine Day in Japan
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Freeze frame
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All is silent for Big Ben’s musical milestone
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Seonam Temple, South Korea
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Albion Falls, Hamilton, Ontario, Canada
Bing Wallpaper Gallery

