What history(s) hides (s) its centuries-old vaults? From discovery to disappointment, research continues to magnify the mystery around the vocation of this rare medieval building, for the use of the clergy, built north of the cathedral. Building with utility vocation, successively became canonical residence, stable, shed then garage, The Heritage and Inventory Service of the City of Langres offers you to revive the sleeping beauty by letting you discover the sumptuous architecture of a monument usually closed to the public.