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Eyeing the Richat Structure
3 min read

The circular geologic feature in northwestern Africa can be hard to recognize from the ground, but it is obvious when…

Apr 16, 2026
Article
Contours of the James Bay Lowlands
3 min read

After the Laurentide Ice Sheet retreated from present-day Hudson Bay, rebounding land has revealed striking nearshore topography.

Apr 15, 2026
Article
Snow in the Shadow of the Andes
2 min read

An early autumn storm left higher elevations in southern Argentina with a fresh and fleeting coat of white.

Apr 9, 2026
Article
A Volcanic Medley Near Mammoth Lakes 
4 min read

A massive, old caldera and more recently formed craters shape the landscape in the eastern Sierra Nevada.

Apr 8, 2026
Article
A Bit of Gray on an Emerald Isle
3 min read

Ireland is best known for its many greens, but the striking grays of the island's Burren region also stand out…

Mar 17, 2026
Article
Lake Coatepeque
3 min read

Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.

Mar 9, 2026
Article
Reaching Top Speed in the Dolomites
4 min read

Cortina d'Ampezzo, flanked by steep-sided mountain peaks, is the site of several skiing and sliding events in the 2026 Winter…

Feb 12, 2026
Article
A Grand, Snow-Rimmed Canyon
3 min read

A dusting of white highlighted the Colorado Plateau around the deep gorge, while shadows created a visual illusion.

Feb 9, 2026
Article
Reaching the Precipice in Angola 
3 min read

The Huíla plateau, bounded by dramatic cliffs and chasms, stands above the arid coastal plains in the country’s southwest.

Jan 6, 2026
Article