Dinosaurs Children Pictures Book & Fun Facts About Dinosaurs Dinosaurs lived long before humans. They are gigantic creatures which roamed the Earth along with other prehistoric animals, most of them now gone as well like mammoths (a giant mammal which looks like a hairy elephant) and other nasty reptilian species. Since they lived way before humans came to exist, it is only through fossil evidence (relics like bones, eggs, etc) that humans are able to discover their existence as well as predict their behavior. Below are the most exciting facts ever known about dinosaurs: Dinosaurs really did roam the Earth, even in the coldest places like Antarctica This was proven by the pieces of bones found in almost all continents, most of which are in Asia and Africa. The name "dinosaur" comes from a Greek term which means "terrible lizard" mostly pertaining to its gigantic size rather than its scary appearance. And much more.....