The Peacock Room – Castello di Sammezzano in Reggello, Tuscany, Italy. Within an abandoned castle in Tuscany, you can find the Peacock Room, a hidden jewel which features intricate Moorish designs and a breathtaking assortment of patterns and colors
Although this is not a castle it is one of it best places I've ever visited in Germany. I had no other place to put it. Rothenburg ob der Tauber, Germany - 101 Most Beautiful Places You Must Visit Before You Die! – part 2
The Grand Place in Leuven, Flanders, Belgium with the Gothic Town Hall to the left and the Grote Markt. The town hall was built in a Brabantine Late Gothic style between 1448 and and it is famous for its ornate architecture, crafted in lace-like detail.