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|  | | The Drumlin Islands of Boston Harbor
A national recreation area and state park protect an archipelago made of glacial debris in eastern Massachusetts. | |
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|  | | Mountains Made of Fossils
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”
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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|  | | Istanbul: A Turkish Delight
The large metropolis, fringed by scenic coastline, stretches across two continents. | |
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|  | | Stirrings at Mount Spurr
Despite its stately and serene appearance, the Alaskan volcano has shown signs of activity since spring 2024. | |
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|  | | Dust Storm Sweeps Through Iraq
A thick dust plume in the Middle East dimmed skies and sent thousands to the hospital in April 2025. | |
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|  | | Relics of a Red World in Bighorn Basin
Folds of rusted rock neighbor the Bighorn Canyon's deep scar in the western United States. | |
