The steep steps and green domes of the church dominate Senaatintori. Completed in 1852, it is the work of famous architect Carl Ludvig Engel, who also designed parts of Tallinn and St. Petersburg. Wander through the tasteful blue-gray interior, with its white moldings and the statues of German reformers Martin Luther and Philipp Melanchthon, as well as the famous Finnish bishop Mikael Agricola. Concerts are frequently held inside the church. The crypt at the rear is the site of frequent historic and architectural exhibitions and bazaars.