Explore the north of Argentina and Chile on this 7-day tour from Salta, one of traveler’s favorite cities. Tour along the Humahuaca Gorge (a UNESCO Heritage Site) and visit towns such as Purmamarca, Tilcara and Humahuaca. Visit the town of Cafayate, in the heart of Argentina's northern wine region in the Calchaqui Valley. Leaving Argentina, see the best of San Pedro de Atacama, a small town in the driest desert of the world. Little adobe houses and cozy restaurants are the base to explore one of Chile’s most spectacular sceneries: The Moon Valley, Salt Mountain Range, El Tatio Geyser, sand dunes, thermal waters and a totally clear sky full of stars.