To kick off National Park Week, which starts today, we"re turning our lens on Vernal Fall in California"s Yosemite National Park. This time of year, the waterfall flows in a torrent, but by late summer it can be reduced to a trickle of small streams slipping over the edge. Most years, Vernal Fall is at full power by May, as the spring thaw in the mountains melts the snowpack, turning the falls into a raging tumble of water spilling to the valley floor where the Merced River flows.
National Park Week begins
Today in History
More Desktop Wallpapers:
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The Zugspitze: Germany s highest point
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Christmas comes to New York City
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Great on so many levels
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Spreadsheet Day
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Molokini Crater, Maui, Hawaii
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Trevi in bloom
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International Mountain Day
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30 years after Exxon Valdez
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Turning darkness into light
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Celebrating Norwegian Constitution Day
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Al-Khazneh in Petra, Jordan
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A desert arts pop-up, just popped up
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A seabird gets schooled
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Gifford Pinchot National Forest
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Bonaventure Cemetery, Savannah, Georgia
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Hot and Spicy Food Day
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Sparkling ice diamonds on a black sandy beach
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El Valle de la Luna, Chile
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Flag Day
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Hello, harbinger of spring
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What does the fox dream?
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World Elephant Day
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Love blossoms
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Happy trails for the 21st century
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World Meerkat Day
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Birds of a feather
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Getting to the bottom of the underwater waterfall
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Lunar eclipse
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Astoria-Megler Bridge, Oregon
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Traffic jam on the caribou highway