Visit Cartagena, Of its vast and monumental heritage, it is necessary to notice the Peral submarine exposed in the harbor, the recently restored Roman theater (the largest of the peninsula after that of Mérida), many archaeological vestiges of carthaginian times and Roman, fortresses, coastal batteries, military buildings and many buildings of modern and neoclassical eras, Visit Alicante Among its remarkable monuments, the castle of Santa Bárbara. Important religious buildings are the St. Nicholas Cathedral, St. Mary's Church, and the outer wall of the Monastery of the Holy Face. Isle of Tabarca is also to see.