Mexico’s second-largest metropolitan area borders on folded rock layers of the Sierra Madre Oriental.
Layers of sedimentary rock that jut from the Soledad Basin at surprising angles have long enthralled television and film producers, including the team behind Star Trek.
The ocean’s ebbs and flows reveal dynamic tidal flats and a well-traveled shipping route along the coast of Germany.
Snow-capped mountains carved by deep river valleys preside over northwestern Washington state.
Differences in the underlying bedrock and how rivers distribute sediment make the coastlines west of Portland look unlike those northeast of the city.
The hills and basins of Seattle, Washington, have been sculpted by glaciers and modified by humans.
Sediment eroded from ice-capped mountains splays out across a broad river valley on Russia’s Severny Island.
Apollo astronauts previewed their roles as lunar field geologists in Alaska’s Valley of Ten Thousand Smokes.
The Nebraska Sandhills—the largest system of sand dunes in the Western Hemisphere—stretch across about one-quarter of the state.
From a geothermal hotspot to the one-time “Lighthouse of the Pacific,” the heat is on beneath the volcanic landscape of western El Salvador.