Black Amphitheater of Bosra One of the world's best-preserved Roman amphitheaters is also one of the most unusual; it's made of black volcanic rock. Church of Saint Simeon the Stylite What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years. Dead City of Serjilla A 1,500-year-old ghost settlement is slowly fading away. Deir Mar Musa al-Habashi This ancient mountain monastery welcomes all manner of faith in an effort to keep Christians in Syria. Krak des Chevaliers Ruins of the Crusaders' headquarters. Monastery of Our Lady of Sednayah One of the oldest monasteries in the world is a key pilgrimage site for both Muslims and Christians. 1 2 3 Next »