Jurassic Park featured some powerful dinosaurs like the T-rex. Jurassic World had new and engineered dinosaurs, which might be even more powerful.

Then there's the behind-the-scenes explanation: Director Steven Spielberg thought the visual of a T. rex rampaging ... out ...

Discovered in the dinosaur-rich Frenchman Formation, Scotty's bones have been carefully preserved and are stored at the T. Rex Discovery Centre in Eastend, Saskatchewan.