Pena Palace is a colorful and eclectic castle located in Sintra, Portugal. Built in the 19th century, it showcases a mix of architectural styles, including Romanticism, Gothic, and Manueline. The palace is perched on a hilltop, offering stunning views of the surrounding landscape and the nearby Moorish Castle. The palace is part of the Cultural Landscape of Sintra, a UNESCO World Heritage site. Its vibrant colors and intricate details make it a popular tourist destination. Visitors can explore the lush gardens and ornate interiors, which reflect the opulence of the Portuguese royal family during the 1800s.