at length , sick with longing for those glittering sunset streets and cryptical hill lanes among ancient tiled roofs , nor able sleeping or waking to drive them from her mind , carter resolved to go with bold entreaty whither no woman had gone before , and dare the icy deserts through the dark to where unknown kadath , veiled in cloud and crowned with unimagined stars , holds secret and nocturnal the onyx castle of the great ones .