The pre-Hispanic ruins of Santa Rosa de Tastil, Salta province, Argentina, Andean Altiplano

The pre-Hispanic ruins of Santa Rosa de Tastil, Salta province, Argentina, Andean Altiplano

The pre-Hispanic ruins of Santa Rosa de Tastil, Salta province, Argentina, Andean Altiplano

The pre-hispanic ruins of Santa Rosa de Tastil, province of Salta, Argentina

The pre-hispanic ruins of Santa Rosa de Tastil, province of Salta, Argentina

Pre-Inca ruins of Santa Rosa de Tastil, province of Salta, Argentina, the Andes Cordillera

Pre-Inca ruins of Santa Rosa de Tastil, province of Salta, Argentina, the Andes Cordillera

The Quilmes ruins, Tucuman province, Argentina

The Quilmes pre-Hispanic ruins, province of Tucuman, Argentina

The pre-hispanic ruins of Quilmes, province of Tucuman, Argentina

Mortars in the ruins of Condorhuasi, in the pueblo of El Pichao, province of Tucuman, Argentina

Petroglyphs (inscriptions on the rock), Brealito Lagoon, Salta, Argentina, the Andes Cordillera

Petroglyphs (inscriptions on the rock), Brealito Lagoon, Salta, Argentina, the Andes Cordillera

Petroglyphs near Antofagasta de la Sierra, on the Altiplano (Puna) of the province of Catamarca, Argentina

Petroglyphs near Antofagasta de la Sierra, on the Altiplano (Puna) of the province of Catamarca, Argentina

Petroglyphs near Antofagasta de la Sierra, province of Catamarca, Argentina