Ключевые слова: alchemy, ancient, attraction, cave, cavern, city, destination, destinations, esotericism, europe, european, garden, grotto, heritage, historical, lake, lake of waterfall, landmark, lisbon, masonic, monteiro, monteiro palace, mysterious, nature, outdoor, palace, palacio, palacio da regaleira, park, passages, people, place, pond, popular, portugal, portuguese, quinta, quinta da regaleira, regaleira, regaleira palace, secret, sintra, symbolism, touristic, tourists, travel, walkway, waterfall, waterfall lake,