On the road S.S. 128, 18 km from Iglesias we meet the crossroads for the Roman-Punic temple of Antas entitled to the Sardus-Pater Sid Addir Babai (2 km). Built around the III century BC, it was destroied by Emperor Caracalla around 211-217 BC. It is built in the homonym valley on a nuraghic site. It is considered the biggest building of the Ancient Sardinia.