In Hammond's bedroom/office you can find some fascinating pictures. Hammond has two copies of Henderson's Stegosaurus creekbed herd (foreshadowing, perhaps?) hanging in his office:



And another Henderson drawing, of a pack of Allosaurus attacking an Apatosaurus, hanging over his bed:


Also in Hammond's office, is Jurassic Park Visitor Concept art from the first movie:


As well as concept art from JP The Ride:


Eddie's Shop is another gold mine for hidden concept art!
These shots have concept art of the trailers on Sorna:




And there's 4 pieces of concept art in this shot alone!




