Grapevines on the outskirts of Cafayate, province of Salta, Argentina

The Calchaquí valley, province of Salta, Argentina

Late afternoon in the Calchaquí valley, province of Salta, Argentina

The sedimentary rock formations known as "Los Castillos" (The Castles), Calchaquí valley near Cafayate, province of Salta, Argentina

The sedimentary rock formations known as "Los Castillos" (The Castles), Calchaquí valley near Cafayate, province of Salta, Argentina

The "Los Colorados" rock formations, Calchaquí valley, province of Salta, Argentina

The "Los Colorados" rock formations, Calchaquí valley, province of Salta, Argentina

Dwelling in the upper Calchaquí valley, province of Salta, Argentina

Flamingoes, late afternoon, Laguna Grande, Catamarca, Argentina

The El Peñón pumice rock field, province of Catamarca, Argentina

The El Peñón pumice rock field, province of Catamarca, Argentina

The El Peñón pumice rock field, province of Catamarca, Argentina

The pumice field of El Peñón, Catamarca, Argentina

Mountains of the province of Catamarca, Argentina

Sand dunes on the Altiplano of Catamarca, Argentina

Sand dunes on the Altiplano of Catamarca, Argentina