Castelo do Queijo, also known as the Cheese Castle, is a historic fortress located in Porto, Portugal. Built in the 17th century, it was originally constructed to defend the city from potential attacks by pirates and other invaders. The castle features a unique architectural style and is surrounded by beautiful gardens and scenic views of the Atlantic Ocean. Today, Castelo do Queijo is a popular tourist attraction, offering visitors a glimpse into Portugal's rich history. The site is often used for cultural events and exhibitions, making it a vibrant part of the local community. Its picturesque setting makes it a favorite spot for photography and leisurely walks.