The Shocking Secrets of Michelangelo's Sistine Chapel Artwork The recent cleaning of the Sistine Chapel frescoes removed layer after layer of centuries of accumulated tarnish and darkness. The Sistine Secrets endeavors to remove the centuries of prejudice, censorship, and ignorance that blind us to the truth about one of the world's most famous and beloved art treasures. Some images that appeared in the print edition of this book are unavailable in the electronic edition due to rights reasons.