This bunker was the underground command post of the German general Otto von Lasch during the Battle of Königsberg in 1945. A museum of the city's German past (which lasted 689 years) and Soviet 'liberation' of the city, including several interesting dioramas of events during the days of the battle.
References:The Château du Lude is one of the many great châteaux of the Loire Valley in France. Le Lude is the most northerly château of the Loire Valley and one of the last important historic castles in France, still inhabited by the same family for the last 260 years. The château is testimony to four centuries of French architecture, as a stronghold transformed into an elegant house during the Renaissance and the 18th century. The monument is located in the valley of Le Loir. Its gardens have evolved throughout the centuries.