14. The Argentinosaurus Weighed As Much As 100 African Elephants
An average elephant weighs 1.2 tons - yet the heaviest dinosaur, the Argentinosaurus (or "Argentine lizard"), weighed as much as 100 times that. So there existed a 120-ton (or 17,150-stone) dinosaur - now that certainly would take some shifting if it wandered in your way.