OK, fair enough. I think we're on the same page. I seem to remember a very similar realization as you, only I thought that was 90% of the museum with only 10%

OK, fair enough. I think we're on the same page. I seem to remember a very similar realization as you, only I thought that was 90% of the museum with only 10% dedicated to "weird spinning abstract structure that is impossible to grok without reading the plaque". Perhaps I was mistaken! The one thing I do remember making a shocking impact on me was a massive installation of https://en.wikipedia.org/wiki/International_Klein_Blue https://en.wikipedia.org/wiki/International_Klein_Blue. It truly did feel like something imposing and evoked genuine emotion that is impossible to represent on a computer screen.