Lake Peipus, the fifth-largest lake in Europe, dates back hundreds of millions of years to the Paleozoic Era and is known for its sand dunes, which can "sing" when the wind blows just right. In the winter the frozen lake surface may feature ice hummocks, as seen in this image. The hummocks are caused by slow, uneven pressure in the ice pack.
Lake Peipus, Estonia
Today in History
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Weaverbird nests at Kenya’s Samburu National Reserve
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‘You should see the one that got away!’
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League of Nations, 100 years later
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China s colorful terraced pools
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Ski touring in Austria
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Take the Stairs Day
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Abraham Lake, Alberta, Canada
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The Matterhorn reflected in Lake Stellisee at sunrise, Zermatt, Switzerland
More Desktop Wallpapers:
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Celebrating the International Day of Forests
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Bathing boxes at Brighton Beach, Australia
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National Cherry Blossom Festival
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Daiichi Tadami River Bridge, Fukushima, Japan
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Beautiful baobabs
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The last thing seen by Wile E. Coyote
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World Children s Day
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Four little birds sitting in a tree…
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Winter solstice
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Glacial spires in the fog
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Pollinators: not to be sneezed at
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The scene of a literary crime
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Sea lion in a kelp forest, Baja California, Mexico
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World Meteorological Day
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Happy 300th, NOLA!
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April Fools Day
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Uredd Rest Area, Norway
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An old celebration for a new season
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Iceland awaits the Yule Lads
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In search of roadside attractions on ‘America’s Highway’
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Roman bridge of Córdoba, Spain
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The Belogradchik Rocks in Bulgaria
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National Moon Day
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Who s wearing such cute hats?
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Khao Sok National Park in Thailand
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National Park Week continues
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Everglades National Park, Florida
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The Cathedral of Florence, Italy
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Happy Syttende Mai!
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Engineering an artificial harbor in Normandy
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