Ethan Chlebowski does phenomenal cooking videos and deep dives into the science of food, specifically if some expensive ingredients are objectively worth the cost.
Fascinating Horror does unique videos in that they are discussions on all man-made or natural disasters. Great audio and video as well.
H0ser does fantastic videos on countries and economics with some humor, and cute animals to represent countires.
Horses does brilliant essays on a variety of topics, all of which are interesting and researched very well.
Nick Crowley does creepy, scary, and true crime like a lot of others, but puts a lot of effort into his editing and aesthetic.
Nexpo is largely the same as Nick Crowley, but with deeper dives and longer videos.