🇬🇧 This historic museum is a true hidden gem in Lisbon! Housed in a magnificent 18th-century Baroque building that once served as the Royal Arsenal, this museum—founded in 1842—is one of the oldest in Lisbon and remains a surprisingly underappreciated gem despite its breathtaking beauty and rich history. 🪖 Lisbon’s Military Museum 📍Rua do Museu de Artilharia, 51 ⏰ Tuesday to Friday (10am to 5pm) Saturday & Sunday (10am to 1pm / 2pm to 5pm) Closed on Monday 💸 Admission is free on Sunday for