The Grand Canyon streches about 277 miles across Arizona

iss074e0301902 (Feb. 3, 2026) --- The Grand Canyon stretches about 277 miles across Arizona in the southwestern corner of the Colorado Plateau. The Colorado River began carving the Grand Canyon—one of the Seven Natural Wonders of the World and a UNESCO World Heritage Site—about 5 to 6 million years ago. The International Space Station was orbiting 259 miles above the United States when this photograph was taken.