The Museu Nacional de Arte Antiga (MNAA) in Lisbon, is one of the most important art museums in Portugal. It is home to an extensive collection of art from the 12th to the 19th centuries, including paintings, sculpture, and decorative arts.

The museum's collection includes works by some of the most famous Portuguese and European artists of the time, such as Grão Vasco, Francisco de Holanda, and Francisco de Zurbarán. Visitors can also see a wide range of artworks from different art movements like Baroque, Renaissance, and Mannerism.

One of the highlights of the MNAA is the collection of Portuguese tile panels, which are considered some of the most important in the world. The collection includes panels dating back to the 15th century, and it's an excellent opportunity to see the evolution of this traditional art form.

The museum is also home to a library and a research center, which makes it a great resource for art historians and researchers.

Overall, the Museu Nacional de Arte Antiga is a must-visit destination for anyone interested in art and culture. It offers a great opportunity to learn about the rich history of art in Portugal and Europe and to see some of the most important artworks of the time.