tower: Mon-Fri 10am-4.30pm, Sat 10am-1.30pm, Sun 2pm-4.30pm - museum: 10am-4.45pm, Sat 10am-1.30pm, Sun 2pm-4.45pm - Bleikeller (lead basement): Wed-Fri 10am-4.45pm, Sat 10am-1.45pm, Sun 2pm-4.45pm
This 11C building was extensively rebuilt between the 16C and the 19C. There is a 13C baptismal font in the western crypt. The Cathedral Museum (far right-hand side) displays items recovered from beneath the nave. The inner courtyard leads to the lead cellar which displays eight mummified bodies in glass coffins.