unique rock formations and canyon walking trail of valle del arcoiris, san pedro de atacama

iconic picturesque terrain adventure multicolored formations wilderness rainbow rugged landmark tranquility remote andes vibrant atacama trails photogenic beauty arid cultural reflection valley vivid trail desert exploration valle geology panorama san scenic america canyon desertscape south rock del colorful natural chile highaltitude volcanic american breathtaking travel walking pedro hiking alienlike unique untouched solitude stargazing arcoiris barren dramatic outdoors landscapes