The natural landmark located in Arizona, USA, is the Grand Canyon. This breathtaking geological formation is known for its stunning vistas and dramatic cliffs, created by the erosive forces of the Colorado River over millions of years. The Grand Canyon spans approximately 277 miles in length and showcases layered rock formations that reveal Earth's geological history. It attracts millions of visitors each year for hiking, rafting, and sightseeing, showcasing the beauty of natural landscapes and serving as a UNESCO World Heritage Site.