I will give you information of some best paintings by Leonardo da Vinci:
Mona Lisa where Mona Lisa’s mysterious smile remains a subject of speculation.It an art of Oil on cottonwood, 76.8 x 53 cm (30.2 x 20.9 in), ca. 1503 – 06.
The last Super depicts Jesus and the twelve disciples when Jesus says that one of them would betray him.
Vitruvian Man it shows a man in two superimposed positions within a square and circle is named after the architect Vitruvius because it is accompanied by a text which is based on the architect’s work.
Lady with an Ermine is an art of Oil on wood panel, 55 x 40 cm (21.6 x 15.7 in). c. 1490.