Tower Defense Czartoryski and fragment of the fortress wall are the remains of the fortifications of the castle roundabout, which intensified in the Middle Ages, the Upper Castle from the south and west. On the eastern, southern and western sides of it protected the stone wall with four towers. Entrance to the grounds was done with the bridge thrown across the moat filled with water (passed along the street today. Drahomanov). In XVIII-XIX centuries. strengthen gradually dismantled, ditches filled. Remained only one tower, named after the princes Czartoryski, who owned the Lutsk in XV-XVI centuries. Now the tower is adjacent to the building of the wall of the monastery of Jesuits, look at it only from the inner courtyards of the street. Dragomanov. Also in the system of fortifications of the castle roundabout was part of the defense Synagogue (St. Danila Galitsky, 33), nicknamed the "Little Castle". It was built in 1622-29 years. From the southwest to the square adjoins the five-story tower with loopholes.