Sintra National Palace is the best-preserved medieval royal residence in Portugal, serving as a summer retreat for Portuguese monarchs for centuries. Distinguished by its iconic twin conical chimneys rising 33 meters above the royal kitchen, a landmark symbol of Sintra. The palace showcases an exceptional collection of 15th and 16th-century azulejo tiles, with ornate halls including the Swan Room and the famous Magpie Room featuring a ceiling decorated with 136 birds. Located in the heart of Sintra's historic center, it's easily accessible on foot from the train station and offers a less crowded alternative to Pena Palace during peak hours.