A 161-million-year-old Stegosaurus is expected to sell at Sotheby’s for between $4 and $6 million

The bones of a 161-million-year-old Stegosaurus are on display at Sotheby’s in New York as part of the annual Geek Week sale series. With close to 79% fossil, the Jurassic period dinosaur is expected to sell for between $4 and $6 million. (AP video: Joseph B. Frederick)