Founded by the Romans, Tarragona is one the most elegant city of the Iberian Peninsula. Part of the bases of large Cyclopean walls near the Quartel de Pilatos are thought to be anterior to the Romans. The mentioned building, a prison in the 19th century, is said to have been the palace of Augustus. The main tourist attractions include the Museum of Archaeology and the Roman ruins of Tarraco, which has been designated a World Heritage Site by UNESCO. From the cliff top 'Balco del Mediterrani', you can admire its beautiful beach.