Worth any amount of trouble getting to Munich! The painting is housed at the Altes Pinakothek.
I’m going to let the painting and label speak for itself. It is magnificent.
Let’s look at some details.
Leonardo’s Madonna of the Carnation
get back, lauretta!
all things beautiful, with piccoli pezzi of Italian, a soupçon of French, & now ein bisschen of German!
get back, lauretta! 
The attention to detail… amazing. Love the view through the window, too.
He was a genius with paint.