This resonated really well with me. I know people ask you to try and do the opposite (which I guess won't hurt from time to time), but I also think it's really awarding to do exploration this way. I think it may apply better to arts and culture than it does to science and history.

Not sure if it's exactly what you're looking for, but I'm really happy with Taste.io for browsing personal movie recommendations. I think you should give it a try.