First one is by far the strongest
Peabody library much?
The second is alright, the water fall makes the composition, but feels slightly pasted on and out of place at the same time.
The 3rd reminds me too much of one of those early 90s CG animations filled with flatly texturized objects and surface.
i wanted to make an awesome room, and the peabody library kept coming to mind. can't imagine why.