Five hundred years ago Michelangelo began work on a painting that became one of the most famous pieces of art in the world--the Sistine Chapel ceiling. Every year millions of people come to see Michelangelo's Sistine ceiling, which is the largest fresco painting on earth in the holiest of Christianity's chapels; yet there is not one single Christian image in this vast, magnificent artwork. The Sistine Secrets tells the fascinating story of how Michelangelo...