Sintra is a town and municipality near Lisbon in Portugal, which is famous for several palaces, castles, and gardens. The Pena National Palace (Palácio da Pena) is a work of 19th-century Romanticism, mixing Egyptian, Moorish, Gothic, and Renaissance elements. Quinta da Regaleira is a unique artistic palace with caves, lakes, underground passageways, and a mystical initiation well, resembling an underground tower. The Moorish Castle was used by the Moors in the 9th century when they occupied the area. Sintra National Palace (Palácio Nacional de Sintra) is a Royal Palace in the city center, built in the early 15th century. The Palace of Monserrate (Palácio de Monserrate) is an example of mid-19th-century eclecticism, combining neo-Gothicism with Arab and Indian architectural elements. The Cultural Landscape of Sintra is on the UNESCO World Heritage List. Music: François Couture - Dal Segno - Prelude 4 (ilicensemusic.com)