Kaštilac was a fortress of a Benedictine Monastery. Kaštilac is the only castle of seven castles in Kaštela. King Zvonimir of Croatia of the Svetoslavić branch of the House of Trpimirović, had donated to a Benedictine from Split possession in the Kaštela field (Kaštelansko polje) in 1078. In the 12th century Benedictine built a church of St. Cosmas and Damian in the Romanesque Architecture style.
Due to the Turkish threat, Benedictine nuns completed the construction of a fortified settlement Kaštilac on the islet of Gomilica in 1545. Entrance to the castle is protected by high tower over the stone bridge with arches. Kaštilac is 40 metres away from the shore, connected with the stone bridge, which was made only of stone. Fortress has square floor plan and in the past, at the entrance was located drawbridge. After the fortress was completed, within the fortification walls arrived inhabitants of the Upper and Lower Kozica, after the Turks had devastated their former villages. In the 17th century the tower lost its defensive function.
References:The Roman Theatre of Mérida is a construction promoted by the consul Vipsanius Agrippa in the Roman city of Emerita Augusta, capital of Lusitania (current Mérida). It was constructed in the years 16 to 15 BCE. One of the most famous and visited landmarks in Spain, the Roman Theatre of Mérida is regarded as a Spanish cultural icon and was chosen as one of the 12 Treasures of Spain.
The theatre has undergone several renovations, notably at the end of the 1st century or early 2nd century CE (possibly during the reign of Emperor Trajan), when the current facade of the scaenae frons was erected, and another in the time of Constantine I (between 330 and 340), which introduced new decorative-architectural elements and a walkway around the monument. Following the theatre"s abandonment in Late Antiquity, it was slowly covered with earth, with only the upper tiers of seats (summa cavea) remaining visible.