Waking the T. Rex: The Story of Sue In 1990, deep in the badlands of South Dakota, paleontologists unearthed the bones of a monster. Forty feet long and weighing several tons, the fossil skeleton was assembled and rebuilt into the largest, most complete T. rex ever discovered. Named Sue, this majestic icon of the dinosaurs has captured the imaginations of millions of museum visitors over the years. But her full story has yet to be told ... until now.