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Is This the Quietest Square Inch in the U.S.?
An acoustic ecologist reveals his findings
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Marathoner Sets Out to Run All of America’s National Parks
Autumn Ray’s goal: 59 national parks before she turns 40 in four years
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Why Rockfalls Happen on Beautiful Days in Yosemite
Temperatures drive rocks to expand and contract—until one lovely day when slabs may suddenly fall
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When Dinosaurs Roamed the (Not Yet) Petrified Forest
Recent surprise discoveries at the national park have prompted a complete rethinking about the creatures of the Jurassic Era
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Here’s Why Some of Yosemite’s Iconic Landmarks Are Being Temporarily Renamed
The U.S. government is battling a private company for the rights to historic names
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Death Valley Bursts to Life With Rare “Super Bloom”
A rare spectacle covers Death Valley in wildflowers
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The Lincoln Memorial Is Getting a Makeover
The four-year restoration will cost a pretty penny
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Obama Just Added Three More National Monuments
This time, the California desert was the president’s preservation focus
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12 Secrets of New York’s Central Park
Learn some little-known facts about this NYC landmark
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Why Robert Redford Loves America’s National Parks
The famed actor and director celebrates the great outdoors of the United States in a new documentary
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Protecting Arizona’s Petrified Forest Can Be as Easy as Taking a Hike
After dispelling myths about vandals and thieves, rangers are working to make this national park more open and engaging
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Visit the Only Village Inside the Grand Canyon
Supai is so remote, mail is delivered by mule train
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Manhattan Project Sites to Be Opened to the Public
Manhattan Project Historical Park will preserve three sites from the beginning of the Atomic Age
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How the U.S. Army Saved Our National Parks
Before the National Park Service, Yellowstone was guarded by the cavalry. Without them, we might not have national parks today
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Colorado Once Lost Pikes Peak to Texas in a Bet
A friendly wager raised the stakes to a whole new elevation.
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Denali, Ongtupqa, and Other Native American Names for Landmarks
Mount McKinley was recently renamed Denali, but it’s not the only one with a Native American name
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The Grand Canyon is Full of Mercury
Researchers find high levels of mercury and selenium in plants and animals along the Colorado River
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The Parks Service Just Added Four New National Historic Landmarks
Masonic memorials, bison jumps and parks
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Why Do Hundreds of Macaws Gather at These Peruvian Clay Banks?
Brightly colored parrots of the western Amazon basin display a behavior not seen anywhere else
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How Did Nobody Notice Five Million Pounds of Rock Fall Off Half Dome?
The park is always changing, but this time nobody realized it
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