Shanerjedi:
Underground parking? :p

Seriously, that is great Venal. As others have mentioned, there does need to be some atmospheric haze added to the palace to take its sharpness down a notch. But truly wonderful work.

I don't know if I would add a canyon to the other side of the shot or just center the palace more into the shot and make the cliff it's perched on more mystical or something.

Well I don't really want to make it mystical, I want it to look as real world as possible. I know what you're getting at with the sharpness, but if you see the full hi-res image it doesn't need it as the entire image is sharp. It looks sharper here because it's scaled down substantially. If I add more haze it will be after I've finished the overall composition. I don't want to deviate too much from the original design, so I'm not likely to change the layout. Thanks for your suggestions, though.

EDIT: Oh, and yes, I'm definitely looking at underground parking.