Argentina's Corona del Inca, a volcanic caldera formed about 520,000 years ago

GMT123_18_08_Chris Williams_Day Chile Argentina Mountains Scenery Cupola 400mm

iss074e0546812 (May 3, 2026) --- Argentina's Corona del Inca, a volcanic caldera formed about 520,000 years ago, also hosts the world’s highest navigable lake, whose relatively warm temperatures suggest ongoing hydrothermal activity. The International Space Station was orbiting 269 miles above the Andes Mountains when this photograph was taken. Credit: NASA/Chris Williams