Quinta da Regaleira is another not-to-be missed site in Sintra, Portugal. It is classified as a World Heritage Site by UNESCO within the “Cultural Landscape of Sintra”. Along with other palaces in this area, it is one of the principal tourist attractions of Sintra. It consists of a romantic palace and chapel, and a luxurious park featuring lakes, grottoes, wells, benches, fountains, and a vast array of exquisite constructions. Medieval and mythological symbols adorn the villa, while secret caverns and an initiation well make the lovely garden more mysterious and fascinating.