Nuraghes are ancient stone structures found primarily on the island of Sardinia, Italy. They were built during the Bronze Age, around 1500 to 500 BCE, and served as defensive towers, residences, and places of worship. The structures are characterized by their conical shape and are made from large blocks of local stone, often without the use of mortar. These impressive edifices typically feature a central chamber and are surrounded by thick walls. The most famous nuraghe is Su Nuraxi in Barumini, which is a UNESCO World Heritage site. Today, nuraghes are a significant part of Sardinia's cultural heritage and attract many visitors interested in ancient history.