Ключевые слова: arcane, arch, arched, architecture, attraction, cabalistic, cabbalistic, ceremonial, colonnade, cryptic, deep, europe, freemason, gallery, gloomy, helix, high, historic, initiation, interior, inverted, landmark, mason, masonry, mossy, mysterious, mystery, mystic, old, orphic, palace, palacio, portico, portugal, quinta da regaleira, regaleira, showplace, sintra, spiral, staircase, stairs, stone, symbolic, tower, underground, up, weird, well, winding,