In the morning we will travel along Interstate 15 freeway, passing through the largest desert in North America: Mojave Desert. We will arrive at State Line “Fashion Outlet” to have lunch and quick shopping. In the afternoon we will stop by Las Vegas to take a quick break and then head towards St. George. Stay overnight in St. George.Mojave Desert: Largest desert in North America, crossing four states. On the way you will see the unique Joshua trees as well as the Pacific Railroad serving as the economic vein that connects the East Coast to the West Coast. You will also pass by the mysterious “Ghost Town” during the Gold Rush era and the world’s largest solar electric power plant invested by Google.St. George: The crossroad of Colorado Plateau and Mojave Desert, St. George is popular for winter vacation getaways and also an important stop before continue on into Utah.