The 13th-Century Enigma: Château de Besanceuil, Bonnay, France

In the charming French countryside of Saône-et-Loire, the petite village of Bonnay guards a captivating secret - the Château de Besanceuil. This architectural riddle, with its rectangular main structure and square flanking towers, sports a central tower boasting four dimensions. On October 27th, 2008, the château's outbuildings, the pigeonnier, and the courtyards' grounds were all labeled historic monuments. The Tenay family played a part in its creation way back in the 13th century. Furthermore, the château exchanged hands among other prominent French families, including the Mincé and Prisque, before the French Revolution disrupted the Prisque family's reign. Whispers of hidden treasures within the castle's stone walls have lingered ever since.

Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons