YOU4419312: View of the chateau of the Dukes of Brittany, French civil and military architecture, castle built in the 15th century by Francois II (1433-1488), last duke of independent Brittany, and his daughter, Anne de Bretagne (1477-1514). 6th century, then barracks, military arsenal and prison, it now houses the history museum of the city of Nantes., Nantes, Loire Atlantique, Pays de la Loire. / Bridgeman Images