Among the most significant prehistoric signs, there are evidences relating to the first colonization of the island; in Castellare Campese, not far from the known storeroom of bronzes, excavations have unearthed the remains of a large settlement stable referable to the Middle Bronze Age (middle of the second millennium BC), with a very large number of old structures.Part of the town of materials and bronze closet finds are displayed in Grosseto to the Archaeological Museum and Art of the Maremma.