Rock paintings and engravings are among the world’s oldest continuously practiced art form and are as diverse as the wide-ranging cultures and civilizations that have produced them. Depictions of elegant human figures, richly hued animals, unusual figures combining human and animal features, and detailed geometric patterns, continue to inspire admiration for their sophistication, powerful forms, and detailed representations, as well as for providing a window into the daily lives of our ancient ancestors. Here we feature some of the most amazing and mysterious examples of rock art from around the world, though there are thousands more that are equally as impressive...