Well-preserved Stegosaurus fossil heading to auction

A towering Stegosaurus dinosaur fossil, standing 11-feet tall and spanning 20 feet in length is heading to auction at Sotheby's in New York on July 17. Cassandra Hatton, the auction house's global head of science and popular culture, said the dinosaur, named Apex, "is the largest, most complete Stegosaurus ever found."