What to do, best tours, altitude, weather, and travel tips San Pedro de Atacama is one of the most breathtaking destinations in South America. Located in the driest desert in the world, it combines unique landscapes, ancient culture, star-filled skies, and once-in-a-lifetime natural experiences. In this guide, you’ll find everything you need to know before traveling : what tours to take, how altitude affects your body, how many days to stay, what to pack, and how to plan your