""Why would the Cro-Magnon hunter-gatherers of Europe expend so much time and effort to penetrate into deep, dark, and dangerous caverns, where they might encounter cave bears and lions or get lost and die, aided only by the dim glow of animal fat-burning stone candles, often crawling on all fours for distances of up to a mile or more underground . . . to paint amazing, haunting images of animals?""
--From The Cave and the Cathedral

Join researcher and scientist Amir D. Aczel on a time-traveling journey through the past and...