la torre, rock formation of the jurassic period of the triassic desert and arid place of the talampaya cayon la rioja argentina

torre rock formation jurassic period triassic desert arid place talampaya cayon rioja argentina monument arch badlands landmark geology terrain cliff sculpture mountain wadi temple ruins monolith statue architecture canyon plateau argentina dry bed river dinosaurs lived millions years fossils interesting ischigualasto found remains indigenous peoples' settlements petroglyphs puerta del cañón