When I was growing up, we had discovery channel. That sparked my intrinsic curiousity. My daughter has that intrinsic motivation as well, but only for k-pop now. She likes youtube videos and she likes when I tell her about science stuff. Maybe I can combine that by recommending her some good youtube channels.
Check your local library to see if they have access to the Kanopy streaming service. It’s a bit of everything, but lots of top-notch documentaries on there!