By far one of the best tours ever! You MUST go. Although the place itself is a sight unlike any other, I have to say part of the biggest reason why we loved it so much was we had the most awesome tour guide ever. His name was Gus. If you flexibility in your schedule book it on a day where you'll get to be in his group. He's seriously such a character, made every moment memorable and super fun. Make sure you are in comfy shoes because there's a bit of walking involved. I am very well traveled and pretty good about planning sightseeing however I highly doubt I'd have the same experience at the Alhambra had we not gotten this awesome tour!