Ciudacita in Tucumán declared a World Heritage Site by UNESCO.
Qhapac Nan - Andean Road System (Argentina, the Plurinational State of Bolivia, Chile, Colombia, Ecuador and Peru).
It is a vast road network of 30,000 kilometers built over several centuries by the Incas, drawing in part with preincaicas-existing infrastructure to facilitate communication, transport and trade, and also for defensive purposes. This unique trail system spans a geographical areas of the world of higher contrasts, from the snowy peaks of the Andes that rise more than 6,000 meters up the Pacific coast, passing through tropical rain forests, fertile valleys absolute aridity and deserts. The road network reached its greatest expansion in the fifteenth century, reaching spread throughout the length and breadth of the Andes. The new World Heritage Site, consisting of 273 components and extends along more than 5,000 kilometers. The components have been selected to highlight the important social and political function of the road network; the masterpieces of architecture and engineering and related facilities dedicated to commercial activities, accommodation and storage of goods; and sites of religious significance.