Looking for things to do in Pittsburgh?

My family is planning a roadtrip this summer and Pittsburgh is on our list. I'm looking for stuff for us to do and so far I have: -Point State park -Andy Warhol Museum -National Aviary -Carnegie Science Center Any other suggestions? We're all interested in nature and science. We're also looking... show more My family is planning a roadtrip this summer and Pittsburgh is on our list. I'm looking for stuff for us to do and so far I have:

-Point State park
-Andy Warhol Museum
-National Aviary
-Carnegie Science Center

Any other suggestions? We're all interested in nature and science. We're also looking for anything really weird that we can see, stuff that's out of the ordinary, so if you know of anything like that I'd love to know!
Update: I forgot to mention we're going during the summer, if that matters.
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