I am one of the National Gallery's most frequent visitors ( a bold claim) - but I work on Leicester Square and it would seem a near criminal oversight not to call in at lunchtimes.
So I left the Accademia until last in Venice - I didn't feel like going to a museum. I even bought a ticket after 6pm and calculated on 45 minutes to see all before closing time (after an drink on the rooftop balcony at the hotel).
Thank goodness I went.
Otherwise would not have seen some important paintings: The Dream of Ursula/Carpaccio - John Ruskin's favourite painting, I read - more to research later .... an odd favourite, it seems to me.
And Tintoretto's St Mark's Body brought to Venice.