I'm not a big Warhol fan, nor a typical museum dweller. But, put those things together and I found the Andy Warhol Museum to be a must-see destination in Pittsburgh. The museum was informative and fun. I wasn't aware of Warhol's pre-fame work, and most of it was quite good and certainly fascinating.
So, I suggest that you arrive early for a Steelers or Pirates game and duck on in for some low-brow/high-brow art.