Image Source : PIXABAY 1/7 Chateau de Pierrefonds in Northern France- This castle was in ruins for over two centuries when Napoleon I bought it in 1810 for less than 3,000 francs. Image Source : pixabay 2/7 Castle of Rocca Calascio in Italy- Rocca Calascio stands at an elevation of approximately 1,460 meters, making it the highest fortress in the …
