Portal of the ossuary (Epiphany Chapel) in Tulln on the Danube. The portal is located in the northwest. A flight of steps leads to the ossuary, which is eleven-sided on the outside and round on the inside and dates from the middle of the 13th century. The portal has sculptural decoration, figurative and bud-like capitals, a round-arched frieze with dentils and a blind arcature with small columns.