What is the largest reptile on Earth?

The title of largest reptile on the planet goes to the saltwater crocodile. Salt water crocs can grow to over 20 feet in length and 2,645 pounds in weight, and they can develop enough force in their jaws (which are equipped with up to 68 teeth) to crush a cow's skull with ease.

Australia has the biggest population of salt water crocodiles, although they are found from Southeast Asia's trip down to Australia and have even been observed as far away from their native countries as the Sea of Japan. The order of Crocodilians is older than even the dinosaurs.