The Su Nuraxi is the largest and most famous nuraghe of Sardinia. It is located in Barumini, about an hour's drive from Cagliari. This archaeological site is the only place in Sardinia listed as a UNESCO World Heritage Site. Here, you can find the great central tower with smaller towers that surround it. Even the walls and fortifications are clearly visible: it is the only nuraghe of Sardinia which was completely excavated.