The National Gallery of Art, located just north of Trafalgar Square, has a large collection of paintings. There is no admission ticket here. It belongs to free donation. Van Gogh's Sunflower is collected here. Fig. 3 Rembrandt's self-portrait, Fig. 4 Michelangelo's burial, Fig. 5 Raphael's pink Virgin Mother and Fig. 6 Porticelli's Venus and God of War.