Northwest Argentina’s high desert is home to some remarkable natural attractions, including the vast Salinas Grandes salt flats and the colorful Hill of Seven Colors near Purmamarca. Beyond these well-known landmarks, travelers can encounter high-altitude lakes, volcanic landscapes, and unusual pumice fields shaped by the region’s geological history. Visiting several sites reveals the remarkable variety of terrain across the Puna and surrounding high-desert landscapes, from brilliant mineral colors to vast, otherworldly plateaus.