The Titanosaur was a 122-foot-long dinosaur that roamed the earth nearly 100 million years ago. Could it be the world's largest? http://cnn.it/1Slzi1E | CNN

The biggest dinosaur ever discovered—belonging to a group known as titanosaurs— is thought to have weighed as much as 12 elephants. | National Geographic

A newfound fossil tail is changing what we know about Spinosaurus—and stretching our understanding of how and where dinosaurs lived. For more iconic storytelling like this, subscribe to National Geographic: https://on.natgeo.com/3aJdDvL | National Geographic