This document summarizes chapters 18 and 19 from Gardner's Art Through the Ages, covering the High Renaissance and Mannerism in Northern Europe and Spain, as well as the Baroque in Italy and Spain. It discusses key artists of the time like Albrecht Dürer, Hans Holbein the Younger, Hieronymus Bosch, Pieter Bruegel the Elder, El Greco, and Bernini. It also covers the Protestant Reformation's impact on art and the development of the Baroque style with its emphasis on dynamism, theatricality, and elaborate ornamentation.