Open to the public 365 days a year, the Castelo de S. Jorge (Castle of St. George) is now a place where you can enjoy heritage, get to know a bit about the history of Lisbon at the Museum, explore the ruins of an 11th c. Moorish neighborhood at the Archaeological Site, discover unprecedented views of the city from the Periscope – Tower of Ulysses, wander the gardens and viewpoints, take a break at the Castle Café, participate in guided tours and other educational activities or simply delight in the music, theater, festivals and symposia on heritage that enliven days at this notable Lisbon monument.