Dedicate your second day in Montjuïc to immersing yourself in the rich cultural offerings of the area. Start by visiting the Museu Nacional d'Art de Catalunya (MNAC), a magnificent museum housed in the Palau Nacional. Explore its extensive collection of Catalan art, including Romanesque, Gothic, Renaissance, and Modernist masterpieces. Afterward, head to the Fundació Joan Miró, a museum dedicated to the works of the renowned Catalan artist, Joan Miró. Admire his vibrant paintings, sculptures, and ceramics, and learn about his artistic journey. For lunch, try some traditional Catalan cuisine at one of the local restaurants near the museums. In the afternoon, visit the CaixaForum Barcelona, a cultural center that hosts temporary exhibitions of contemporary art and cultural events. End your day with a relaxing walk through the Montjuïc Park, enjoying the beautiful views and tranquility.