This document lists and provides brief information about various famous artworks across different eras and styles, including Goya's "The Third of May, 1808" depicting the 1808 uprising against Napoleon, Picasso's "Guernica" showing the bombing of Guernica during the Spanish Civil War, Siqueiros' "New Democracy" portraying post-revolutionary Mexican society, Rivera's "Man at the Crossroads" focusing on science's influence on modern civilization, and works by Caravaggio, Gauguin and others showcasing religious, political and cultural themes through different mediums like oil painting and calligraphy.