One of the premier museums in the state! “Dinosaur Mountain” is the largest dinosaur exhibit west of the Mississippi River. See a constantly flowing 50-foot-high indoor waterfall and hear the thrilling roar of life-size, animated dinosaurs, including a saber-tooth cat and a Columbian Mammoth.
http://arizonamuseumofnaturalhistory.org/plan-a-visit/mesa-grande