Apollonia, known in the Early Islamic period as Arsuf and in the Crusader Kingdom of Jerusalem as Arsur, was an ancient city on the Mediterranean coast of today's Israel. Founded by the Phoenicians during the Persian period in the late sixth century BCE, it was inhabited continuously until the Crusader period, through the Hellenistic, Roman, and Byzantine periods, during the latter being renamed to Sozusa. It was situated on a sandy area ending towards the sea with a cliff.
It fell to the Muslims in 640, was fortified against Byzantine attacks and became known as Arsuf. In 1101 it was conquered by the Crusader Kingdom of Jerusalem, and was a strategically important stronghold in the Third Crusade, during which the Battle of Arsuf (1191) was fought nearby. The fortified city and the castle fell to the Mamluks in 1265, when both were completely destroyed.
The site of Apollonia–Arsuf was excavated in the 1990s and opened for visitors as Apollonia National Park in 2002. The above-ground remains before the excavations included the medieval city wall and moat, enclosing an area of about 90 dunam, a Crusader castle with a double-wall system with an area of about 4 dunam, a port with built jetties and a sheltered anchorage, protected by a sandstone reef.
Large amounts of pottery were recovered in the area surrounding the city, mostly of the Byzantine and early Islamic period, indicating that the city extended significantly beyond its old walls in the 7th century. A large Roman-era villa maritima was uncovered to the south of the site.
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.