text: Converted from a 13th-century convent of Dominican nuns , the Mus ? ? e d 'Unterlinden provides a perfect setting in which to view one of the world 's undisputed masterpieces of religious art , Matthias Gr ? ? newald 's awe-inspiring Isenheim altarpiece .
  
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  The altarpiece made by Matthias Grunewald cannot be seen in the Musee d 'Unterlinden .