Start Date: End Date: Published Date Data Date
Washington on the Potomac River
Published July 10, 2017
Wedged between Maryland and Virginia, the District of Columbia was established in 1790 to serve as the permanent seat of the U.S. federal government.
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North Cascades National Park
Published June 24, 2017
The diverse landscape in this Washington park includes mountain peaks, glaciers, rivers, lakes, and forests.
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Sunset Crater
Published June 18, 2017
Its name comes from the fiery orange earth around its cone.
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Where Tectonic Plates Go for a Swim
Published June 17, 2017
The San Andreas fault runs straight through Tomales Bay.
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Finding Fires Before They Rage
Published April 7, 2017
Scientists have found a way to detect nighttime fires even sooner, when they are still relatively small.
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Bryce Canyon National Park
Published April 1, 2017
Winter weather has helped sculpt the natural amphitheaters and hoodoos found at Utah’s Bryce Canyon.
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Contrasting Ridges in Virginia
Published March 15, 2017
Despite being quite close to each other, two mountain ridges in western Virginia have very different origins.
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The ‘Place of Blue Smoke’
Published January 22, 2017
The Cherokee Indians called these dark, fog-streaked hills “Shaconage”— the “Place of Blue Smoke.”
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Looking Down on Potomac Water Gap
Published January 17, 2017
The scenic double water gap near Harpers Ferry has impressed onlookers for centuries.
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Pretty as a Picture: The Delaware Water Gap
Published December 31, 2016
The Delaware River looks equally at home in an oil painting.
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The River that Trapped Itself
Published December 17, 2016
The Gunnison is forced to stay on this beaten path, unable to leave the valley.
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Look Again: It’s Not Snow
Published November 27, 2016
These white mounds are the world’s largest gypsum dune field, centerpiece of the White Sands National Monument.
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