Alphonse de Lamartine.
I love this because it is so random and whimsical. It is also rather unlikely, coming from Lamartine, who was a serious politician and man of letters, and something of an idealist. Even idealists have to have the occasional day off, and talk as if they are in a Nancy Mitford novel.
Portrait by Henri Decaisne.
Perhaps this is what he was thinking of:
The Dolmabahce Palace, taken, slightly incongruously, from The Four Seasons website, where they have rather nice pictures of their very grand Istanbul hotel, which they encourage one to share.