1.   A must is probably the most spectacular and romantic royal castle in the world - Neuschwanstein.

2.   A number of Romanesque structures were built in Cracow on Wawel Hill, where a royal castle and church were erected, surrounded by a walled, fortified town.

3.   The royal castle in Genovia looks like an attraction at the happiest place on Earth.

4.   This year, Queen Margrethe ordered that candles be placed in the windows of every royal castle, including those of the downtown Copenhagen Christiansborg Palace housing the parliament.

5.   The video is to be filmed Sunday in the Hungarian royal castle in the Buda hills and on Andrassy Avenue.

6.   The video is to be filmed Sunday at the Hungarian royal castle in the Buda hills and on Andrassy Avenue on the eastern bank of the Danube.