The National Archaeological Museum housed in the Citadel presents the island's most comprehensive educational exhibition on Sardinian civilisation. Material unearthed during digs traces the main periods that marked the prehistory and history of the island. Don't miss the reconstruction of the Tophet de Tharros, a sand dune containing the funeral urns of deceased newborns. The archaeological "Evan Gorga" Collection showcases ceramics dating from the third millenium BC to the 2C BC.