Most celebrities hit the Las Vegas circuit a few years past their prime. For "Samson," the journey took a bit longer. The remains of the 66- million-year-old female Tyrannosaurus rex , along with 50 other lots of fossils and dinosaur parts, are being auctioned off on October 3 by Bonhams & Butterfields  New York  at The Venetian resort in Las Vegas. [More]