The Castles of Portugal are a significant part of the country's rich history, showcasing its medieval architecture and strategic importance. Many of these castles were built during the Reconquista, a period when Christian kingdoms sought to reclaim territory from the Moors. They served as military fortifications and royal residences, reflecting the power and influence of various dynasties. Today, numerous castles, such as Castelo de Óbidos and Castelo de Pena, attract visitors with their stunning views and historical significance. These structures often feature impressive stone walls, towers, and battlements, offering a glimpse into Portugal's past and its architectural heritage.