A pumpkin sits perched atop a bell tower on Cornell's campus, where a prankster placed it in Oct. 1997. Frank DiMeo/Cornell University hide caption toggle caption Frank DiMeo/Cornell University The Two-Way After 20 Years, Can Cornell Finally Bust Open Its Great Pumpkin Mystery? October 31, 2017 In 1997, someone speared a pumpkin on the top of a 173-foot tower. It stuck around for months, an object of fascination and speculation. And no one knows who did it ... unless you know. Wait, do you?