Noguchi Museum
Located in Long Island City, next to the East River, the museum does take a little effort to get there but the the traveler will be happily rewarded.
1-2 Combo: Adventure in Queens
I spent half a weekend afternoon in Queens eating, drinking (coffee) and snapping pics along the way. I think I have a great 2 stop trip in the borough the next time you have friends and family in town.
