Ключевые слова: ancient, arch, architecture, art, building, castle, da, deep, europe, european, famous, garden, gothic, heritage, historic, historical, history, initiation, initiation well, landmark, lisboa, lisbon, mansion, masonic, masonry, medieval, mysterious, nobody, old, outdoor, palace, park, portugal, portuguese, quinta, quinta da regaleira, regaleira, romantic, sintra, spiral, stair, staircase, stone, tourism, tower, travel, tunnel, underground, well,