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Circling the Serengeti
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Published September 6, 2019
These African plains host the largest natural animal migration in the world.
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Time Traveling to the Triassic
Published February 4, 2019
Fossil remains in Argentina's Talampaya and Ischigualasto Natural Parks document the origins of mammals and dinosaurs.
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Monument Valley: An Icon of American West
Published June 6, 2018
A satellite a view of Monument Valley Navajo Tribal Park, the quintessential picture of the American West.
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Mapping Modern Threats to Ancient Chacoan Sites
Published May 31, 2018
Risk maps can help land managers make more informed decisions about modern development in the vicinity of an ancient civilization.
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Spring is Arriving Earlier in National Parks
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Published April 5, 2018
In National Parks across the United States, recent springs are among the earliest ever observed compared to the past 112 years.
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A Fateful Year at Cinder Cone
Published March 9, 2018
A 1666 eruption in what is now the northeast corner of Lassen Volcanic National Park flattened forests and created a new lake.
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The Land Between the Lakes
Published December 14, 2017
The damming of the Tennessee and Cumberland Rivers led to the creation of a large inland peninsula and a vast freshwater recreation area.
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Lava Beds National Monument
Published October 10, 2017
Old, hardened lava flows extend from the caldera of Medicine Lake volcano in northern California.
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An Unlikely Corner of New York
Published October 5, 2017
Despite the bay’s calm waters, constant reminders of the city break through.
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Canyonlands National Park
Published August 20, 2017
The highlights of this landscape in southern Utah tend to reach down into the Earth, rather than soaring above it.
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Crater Lake
Published July 31, 2017
The deepest lake in the United States is a haven for fishermen.
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Sandy Hook
Published July 15, 2017
A beach oasis stands within a few miles of the densest urban area in the United States.
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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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Where the Organ Pipes Grow
Published December 4, 2016
Tall, branch-like cacti provide shelter for animals at the Organ Pipe Cactus National Monument.
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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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Cape Cod National Seashore
Published November 25, 2016
“A man may stand there and put all America behind him.”
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Kilauea’s Lava Pours Into the Pacific
Published November 20, 2016
Molten rock meets the sea in the latest episode in a long-lived eruption.
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Way Down Yonder on the Chattahoochee
Published November 13, 2016
The river supplies Atlanta with its drinking water and a bit of recreational fun.
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Everglades National Park
Published November 12, 2016
Management and restoration features are visible in Florida’s unique subtropical wilderness.
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A Curious Ensemble of Wonderful Features
Published October 16, 2016
Parts of the Glen Canyon that John Wesley Powell explored in 1869 have been submerged by Lake Powell.
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Paw Paw Bends
Published October 8, 2016
A particularly curvy part of the Potomac River was a formidable challenge for C&O Canal engineers.
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The ‘Land of Giants’
Published September 27, 2016
Roughly one-third of the world’s naturally occurring sequoias grow in 75 groves in Sequoia and Kings Canyon National Parks.