Why did Cezanne paint two old men hunched over a game of cards? Waldemar Januszczak explores the artist's religious beliefs to uncover the secrets of a haunting masterpiece.

Waldemar Januszczak uncovers the symbols and mystery within Gauguin's epic religious painting about good and evil, temptation and desire.

Why did Seurat place his masterpiece, A Sunday Afternoon on the Island of La Grande Jatte, in the background of what is probably his least-known painting, Les Poseuses?

Waldemar Januszczak studies Van Gogh's Self-Portrait with Bandaged Ear and discovers within the painting a startling secret.