wow, you're late. They were in Warsaw a week ago:
Im also into art/museums, any good ones that I should check out?
Muzeum Narodowe en.wikipedia.org/wiki/National_Museum,_Warsaw
Warsaw Uprising Museum en.wikipedia.org/wiki/Warsaw_Uprising_Museum
Poster Museum (but I've never been there yet) postermuseum.pl
and recently open Copernicus Science Centre en.wikipedia.org/wiki/Copernicus_Science_Centre