Montjuïc Gardens is a vast green space located on the slopes of Montjuïc hill. It offers a peaceful retreat from the bustling city and is perfect for a leisurely stroll or a picnic. The gardens are beautifully landscaped with fountains, sculptures, and colorful flowers. One of the highlights is the Mirador de l'Alcalde, a viewpoint that offers panoramic views of Barcelona. Visitors can also explore the various themed gardens, such as the cactus garden and the Mediterranean garden. It's a tranquil oasis that shouldn't be missed.