Great Choral Synagogue - Synagogue of age-old defense tower, an architectural monument of national importance, situated in the historical-cultural reserve "Old Town". In the years 1628-1629 defense synagogue building was completed. Most of the buildings was a massive cube-style "Italian-Polish renaissance" of wall thickness to 1.5 m. Cubic structure had two extensions: one for women, another for school. In one corner of the cube joined high defensive tower with loopholes. The tower was part of one of the defense of then rings Luck. Thus, the synagogue has played both defensive and Urban and religious and educational role. In 1869 the synagogue was damaged by fire. Restoration began only 15 years later and lasted until 1886 Today the synagogue - a fortress-type cubic structure with a defensive tower. Interior main hall is very spacious, vmischuvav about 2,000 people. Four pillars in the middle of the hall were richly decorated with relief floral motifs and maintain complex vaults. Walls also had a niche with kilepodibnym completion. Also decorated, they contain passages from sacred texts.