Be a real tourist, enjoy the art too.
I recommend you, read two famous books from Turkish Nobel prize winner : Orhan pamuk , before you want to traveling to Istanbul.
In this way, you will walk in the Istanbul streets with a clearer view.
( The Museum Of Innocence ) created in the real old house, by Orhan Pamuk , writer of this novel.
This is a museum of objects. The objects that you read about that in the book .
The book and the museum start with this sentences: “ It was the happiest moment of my life, thought I didn’t know it “ .