Are you ready to make some noise? Wait, not that sort of rock. Today, we"re all about granite, limestone, and slate. There are three types of rock: igneous rocks formed from magma and lava; sedimentary rocks made from a mixture of particles like sand and mud; and metamorphic rocks that are the result of heat and pressure on other kinds of rock.
International Rock Day
Today in History
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A day for our oceans
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Clouds over the River of Grass
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Travels to the Oregon deep
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A hermitage with a view
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Spire Cove in Kenai Fjords National Park, Seward, Alaska
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Mardi Gras flower power
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On the rebirth of the Olympic Games
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Royal Portuguese Cabinet of Reading, Rio de Janeiro, Brazil
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It’s Penguin Awareness Day
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A night of art and culture
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Happy St. Patricks Day!
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Dancers perform ‘Revelations’
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A star blows a bubble
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Keep watching the skies
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Prayer flags in Phobjikha Valley, Bhutan
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World Bee Day
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Polar Bear Week
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Emerald Bay and Fannette Island, Lake Tahoe, California
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The 80th anniversary of D-Day
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An ancient sailing tradition takes to the water
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Anybody out there?
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Shark Awareness Day
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A peek behind the royal curtain
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World Giraffe Day
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Union Square, Manhattan
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World Nature Conservation Day
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Veterans Day
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Christmas Eve
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Þorrablót, Icelandic midwinter festival
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Lei Day
Bing Wallpaper Gallery

