Brachiosaurus (BRACK-ee-OH-saw-RUS meaning Arm Lizard) was one of the largest sauropods in the Late Jurassic Period. It was found in USA and Portugal. It stood on 27-30 meters (29-101 feet) tall and it weighed 40 tons. It browsed for food up in the trees. In the late Jurassic, There were bigger sauropods, like Argentinosaurus and Sauroposeidon. Brachiosaurus also appeared in Jurassic Park and Jurassic Park III.
More Real-Life Information: Brachiosaurus at Wikipedia