Discover the captivating cities and astounding natural attractions of the USA's west on an adventure through California, Nevada, Arizona and Utah. Experience the wonderful wilds of Joshua Tree, Zion and Yosemite national parks, explore Monumental Valley, Death Valley and the Grand Canyon, and join the high rollers in glittering Las Vegas. With thrilling outdoor experiences, spectacular stretches of coastline and sensational city explorations, this is the ultimate round-up of the western USA's highlights.