U.C. Berkeley's T-Rex! A cast from one of the most complete skeletons. The bones were found in place; a photo (taken halfway through the excavation) looked somewhat like a Georgia O'Keefe painting.

They still debate whether this guy was a predator or a scavenger. I'd guess predator ... see:
http://www.ucmp.berkeley.edu/diapsids/saurischia/tyrannosauridae.html
and in general for the Museum of Paleontology:
http://www.ucmp.berkeley.edu/exhibits/index.php