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The historic Castelo de São Jorge serves as a fortress that dates back to the 1st century AD. With its strategic location, this castle has witnessed Lisbon's changing tides through various occupations. Visitors can explore the castle's grounds, which include the ruins of royal residences and panoramic lookout points that offer breathtaking views of Lisbon.
A quirky feature of the castle is its community of peacocks, which add a charming touch to the historic setting.