The Salar de Atacama is the great white basin south of San Pedro de Atacama, a crusted salt flat hemmed in by volcanoes and fed by hidden Andean water. It is not smooth like Bolivia's famous Uyuni; it is rough, broken, and alive in unexpected places, with briny lagoons shining blue and green through the salt.
Most travellers come for flamingos at Laguna Chaxa, the strange floating sensation of Laguna Cejar, and the sunset colours at Laguna Tebinquinche. The classic circuit also passes through Toconao and Socaire, small oasis villages where stone churches and irrigated fields make the desert feel briefly human.
The landscape is fragile. Boardwalks and marked trails are there for a reason: the salt crust, nesting birds, and lagoon edges are easily damaged. Bring water, sun protection, and patience with tour timing. The best light is early and late, but the altitude and glare can make even a short stop feel bigger than it looks on the itinerary.