Prague Castle is a castle in Prague where the Kings of Bohemia, Holy Roman Emperors and presidents of Czechoslovakia and the Czech Republic have had their offices. The Bohemian Crown Jewels are kept within a hidden room inside it.
Carn Brea Castle, UK This castle started life as a century hilltop hunting lodge. It has remained basically the same with a few additions made in the century. It is next to the site of the oldest neolithic settlement discovered so far in Cornwall.
The Castle of Almourol is medieval castle, located on a small islet in the middle of the Tagus River, in the civil parish of Praia do Ribatejo, 4 kilometres mi) from the municipal seat of Vila Nova da Barquinha, in the Portuguese Centre Region.
Spain is calling me and I fear I must go. The last town in the route of El Camino de Santiago, before reaching Santiago de Compostela. You have to admire the restoration efforts of Spanish historical sites.