Orthodox Church of EstoniaBuilt: 13th–18th centuriesThe mediaeval Cistercian St. Michael’s Abbey has been rebuilt as the Transfiguration church in 1732. A valuable Baroque iconostasis (1720), the grave monument of the holy martyr Bishop St. Platon (Amandus Adamson, 1931). The oldest church bell in Tallinn (Matthias Beninck, 1575).