Wanderlust World Wanderlust World The Grand Canyon is a steep‑sided canyon carved by the Colorado River in Arizona. It stretches 277 mi (446 km) long, up to 18 mi (29 km) wide, and over 1 mi (6,000 ft / 1,800 m) deep. It's a UNESCO World Heritage Site and one of the Seven Natural Wonders.
Colorful sedimentary layers—sandstone, limestone, shale—create striking bands. The Colorado River runs green with sediment. The ecosystem hosts 1,500+ plant/animal species (cacti, sagebrush, juniper; deer, elk, bighorn sheep, mountain lions). Millions visit annually for hiking, biking, rafting, mule rides.