Ask HN: What's the best lecture series you've seen?
Not a visual series (its a podcast), but still one of the best - Dan Carlin`s Blueprint To Armageddon (about WWI):
<a href="https://www.dancarlin.com/product/hardcore-history-50-55-blueprint-for-armageddon-series/" rel="nofollow">https://www.dancarlin.com/product/hardcore-history-50-55-blu...</a>