 The former abbey church, briefly the cathedral of Leoben, is now used as a parish church.It is a large late Gothic building containing an early Romanesque crypt beneath the choir, some important early Gothic frescoes in the chapel of Saint Michael in the or "zigzag style", and an imposing roof.The famous Göss chasuble ("Gößer Ornat"), a valuable piece of Romanesque silk embroidery, is now preserved in the Museum für angewandte Kunst in Vienna.