The desert known for its stunning rock formations and vast open spaces is the **Monument Valley** situated on the border between *Arizona* and *Utah* in the western United States. This iconic desert landscape features towering sandstone buttes, mesas, and expansive vistas. It's known for its striking red rock formations that have been featured in countless films and cultural works, embodying the American West. The region is also home to the *Navajo Nation*, offering cultural insights and opportunities for visitors to explore the breathtaking natural beauty of the area.