Grote of Lebuïnuskerk is not just a place of worship, but a worthwhile attraction as well. Make a pilgrimage and enjoy some moments of quiet contemplation.
You're spoiled for sightseeing choice when spending time in Deventer. Grote of Lebuïnuskerk is an ideal place to kick off here, but there are lots of other fine spots to consider. Thermen Bussloo, Brink, and Bussloo Lake are close to the house of prayer and will fill in your day nicely.