To this day, no one knows how or why the Easter Islanders built their massive statues. After years of doing nothing but procreating and lugging massive stones around their tiny island, the Moai people overpopulated their paradise, ran out of food and succumbed to cannibalism. All that remains is their mysterious artwork, including about 900 gigantic stone heads. Some say they represent tribal chiefs or important ancestors. Still others believe they were monuments to alien beings that visited... More >>>
David Adickes got the idea after seeing Mount Rushmore.