Despite being a prolific draughtsman, fewer than 20 paintings by Leonardo survive. But which were his greatest hits?

Ginevra de' Benci was a poet famed for her beauty and intellect. But art historians know little about her beyond the writings ...

In Florence, Milan, Rome and finally France, he pours the sum of his scientific and artistic knowledge into a portrait ... Leonardo da Vinci designed many fantastical flying machines, self-driving ...

Did artist Verrocchio delegate two figures in his Beheading of St. John the Baptist to his prize pupil Leonardo da Vinci ... a 14th-century palazzo, or a self-portrait embedded in the spidery ...