For centuries Sint-Janshospitaal was a refuge for the poor and sick, although today it shelters precious inmates of another sort. Housed in the canalside jumble of medieval buildings is a stellar modern art collection, plus six works by the Early Netherlandish master Hans Memling, a German artist who moved to Bruges in the 15th century. His small-scale paintings, with their minute attention to detail, are considered by many experts to be among the finest in the Northern European tradition.