The National Museum of Ancient Art in Lisbon is a must-visit for art enthusiasts. It houses an impressive collection of Portuguese and European art from the 12th to the 19th century. The museum showcases paintings, sculptures, ceramics, and textiles, providing a comprehensive overview of the artistic heritage of Portugal and its influence on European art. With free admission on Sundays and public holidays until 2 pm, it is a great opportunity to explore the rich cultural history of the country.