Dry conditions outside Dallas have uncovered evidence of a long-dead Texan. Footprints from an Acrocanthosaurus — a 113 million-year-old dinosaur — normally lie at the bottom of the Paluxy River inside Dinosaur Valley State Park. Footage of the tracks shows three wide toes splaying out from the heel, reminiscent of Jurassic Park. Acrocanthosaurus actually lived a bit after the Jurassic period, in the late Cretaceous period. Dinosaur Valley State Park