Owners of great houses in France face problems unknown in Britain ... although the last two are in ruins. A small castle had been built at Lassay in the 11th century by the baron de Mayenne as ...

Château de la Mothe-Chandeniers – Les Trois-Moutiers, France In the heart ... Hohenwerfen Castle is a sight to behold. Built in the 11th century, it served as a fortress and royal residence.