The name of the famous rock formation in Arizona is Monument Valley. This iconic landscape, located on the Arizona-Utah border, is renowned for its towering sandstone buttes, mesas, and wind-eroded rock formations. Monument Valley is part of the Navajo Nation reservation and holds significant cultural importance to the Navajo people. Its dramatic scenery has been featured in countless films and photography, representing the American West. The area attracts tourists for its natural beauty, hiking opportunities, and connection to Indigenous heritage, making it a popular destination for nature lovers.