Washington Irving said this quote

To the traveller imbued with a feeling for the historical and poetical, so inseparately interwined in the annals of romantic Spain, the Alhambra is a much an object of devotion as is the Caaba to all true Moslems. How many legends and traditions, true and fabulous, - how many songs and ballards, Arabian and Spanish, of love and war and chivalry, are associated with this Oriental pile!