Discover the captivating cities and natural attractions of the USA's west on an 18-day journey from lively Los Angeles to bayside San Francisco. Explore mother nature at its most diverse in Joshua Tree, Zion and Yosemite national parks, take a roadtrip stopping by Monumental Valley, Death Valley and the Grand Canyon, and join the high rollers and desert dwellers in Las Vegas. With a heap of outdoor excursions to choose from, some spectacular stretches of coastline and sensational city scenes, this is the ultimate round-up of the western USA's highlights.