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Mountains Made of Fossils
Published April 22, 2025
The peaks in Guadalupe Mountains National Park—some of the highest in Texas—are made of a well-preserved fossil reef formed more than 250 million years ago.
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North America’s “Galapagos”
Published April 21, 2025
The Channel Islands off the coast of southern California support diverse ecosystems, with some plants and animals found nowhere else on the planet.
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Relics of a Red World in Bighorn Basin
Published April 17, 2025
Folds of rusted rock neighbor the Bighorn Canyon’s deep scar in the western United States.
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National Parks Under Snow
Published March 30, 2025
Gateway towns in Wyoming and Montana flank the Rocky Mountains and provide an access point to Yellowstone and Grand Teton national parks.
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Lava Flows of the Sáttítla Highlands
Published January 20, 2025
This U.S. national monument, rich in geological and cultural heritage, displays Northern California’s fiery past.
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Bryce Canyon at Night
Published July 27, 2024
Visitors to this national park in southern Utah can witness geologic landforms by day and a celestial light show by night.
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A Geological Wonderland in Alaska
Published May 28, 2024
Braided rivers, landslide debris, and alluvial fans are spread across this dynamic landscape in Glacier Bay National Park.
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Escaping Home
Published February 17, 2024
Harriet Tubman preferred to navigate the woods and waterways of Maryland’s Eastern Shore on winter nights when guiding enslaved people north on the Underground Railroad.
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Badwater Basin Refills
Published February 16, 2024
Refreshed by precipitation from an atmospheric river, a temporary lake in Death Valley is extending its stay.
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Good Lands for the 26th U.S. President
Published December 16, 2023
After a hunting trip in 1883, young Theodore Roosevelt was drawn to the desolate beauty of Dakota Territory badlands.
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Floodwaters Fill Badwater Basin
Published November 9, 2023
Record rainfall associated with Hurricane Hilary in August 2023 created a large temporary lake in Death Valley.
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Fall Color in the Cuyahoga Valley
Published November 6, 2023
Forests of maples and oaks show their brilliant autumn hues in northeast Ohio’s national park.
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