Good subject, but the image is so contrasty that a lot of detail is lost in the vegetation and on the building, which I don't think helps the image. If you go back to this location, what it really calls for is one of the two T's - telephoto or trespassing, whatever gets you a closer look at the building, which is really what's interesting here. For this image, I think the best you can do is convert to BW, back off on the contrast, and do something to darken the sky, even if there's no detail there.