Poetic documentary recommendations?

I am doing a short film project about my family and I want it to be loosely documentary based. I want to keep it abstract and moody but still have that undercurrent of the narrative that I'll share about honoring my family. Does anyone have recommendations for poetic documentaries or docs that have a similar thing going on. I'm looking for inspiration. I've only just learned that this is a style of documentary. As I do more shorts, I'd love to do more docs and specifically this type