The Collegiate Basilica of St. Nicholas in Leszno - the parish church of St. Nicholas in Leszno was between 1709 and 1710 by Pompeo Ferrari, an Italian architect based in Greater Poland who also designed Leszno Ratusz. The towers received their present shape after the fire of 1790, consecrated in 1841, established by a collegiate church by John Paul II in 2000. Between 1905 and 1907, the eastern part of the church was expanded in the neo-baroque style and the interior was restored.