The church of Saint Barbara in Koziegłowy is situated outside the historical center of the town, in the northern suburbs. This church was built in 1670. It was founded by Foundations Stanisław's Kawiecki's and his wife, Barbara of Przerębskich, as part of a hospital for the poor. The church have rather an unusual form of architecture, because in later times a hospital building was added to the original chapel. The church, both outside and inside, has retained its Baroque character.