Several buildings make up the museum.. it all depends what building you are in. There are areas in certain places you can sit but other places you can't
Not really but you can sit on the grass, the porches, or at the restaurant. Great views
There was some seating in every building. Just ask what can and cannot be sat on.
The art museum has some sitting and the grounds are beautiful to sit on the grass. I don't recall another seating.
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