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Michigan’s Les Cheneaux Islands
3 min read

These glacial landforms jut into northern Lake Huron, surrounded by sheltered channels and coves frequented by fish and small watercraft.

Aug 25, 2026
Article
How the Tide Turns at the Mouth of the Elbe
4 min read

The ocean’s ebbs and flows reveal dynamic tidal flats and a well-traveled shipping route along the coast of Germany.

Aug 6, 2026
Article
Olympic Mountain Glory
4 min read

Snow-capped mountains carved by deep river valleys preside over northwestern Washington state.

Jul 23, 2026
Article
Why Maine’s Sandy Shorelines Turn Jagged
4 min read

Differences in the underlying bedrock and how rivers distribute sediment make the coastlines west of Portland look unlike those northeast…

Jul 21, 2026
Article
Shaping the Emerald City
4 min read

The hills and basins of Seattle, Washington, have been sculpted by glaciers and modified by humans.

Jul 20, 2026
Article
Fans of the Arctic
3 min read

Sediment eroded from ice-capped mountains splays out across a broad river valley on Russia’s Severny Island.

Jul 14, 2026
Article
Playing the Moon Game 
4 min read

Apollo astronauts previewed their roles as lunar field geologists in Alaska’s Valley of Ten Thousand Smokes.

Jun 24, 2026
Article
Nebraska’s Wide, Rolling Domain
3 min read

The Nebraska Sandhills—the largest system of sand dunes in the Western Hemisphere—stretch across about one-quarter of the state.

Jun 16, 2026
Article
Ahuachapán and Its Restive Neighbors
3 min read

From a geothermal hotspot to the one-time “Lighthouse of the Pacific,” the heat is on beneath the volcanic landscape of…

May 5, 2026
Article