ok. shelley duvall's tall tales and legends has several videos that could count toward history-ish/literature. honestly, they're pretty dumb...but my son enjoys them. we use them when reading books about the topics at hand.
around the world in 80 days in also in our queue (the one with the book cover). we've not seen it, but we own the book and there are lots units that go along with it...so we'll see. it may be lame-o.
this is america charlie brown. you cannot play this instantly, but my kids really love this from netflix.
also in instant queue (some we've not seen yet...so they may or may not be good)
lewis and clark: the journey
lewis and clark: great journey west
david attenborough: wildlife specials
blue planet
wild china
encounters at the end of the world
out of the wild: the alaska experiment
shark week
survivor man
man vs. wild
the life of mammals
journey into amazing caves: imax
beavers: imax
life in the freezer
life of birds
meerkat manor
discovery atlas (we have several in our queue of various countries)
frontline: storm over everest (we also LOVE the everest series, but my kids don't watch that, just me...has a little language - but it's oh SO good! in fact, lots of great stuff on everest!!!!)
the diary of anne frank
national geographic
anyway. hope it helps you
hope i get more ideas to add to our queue too!!
ETA - we also have "taboos" in our queue. not seen it, but it talks about weird cultural rituals, etc. it *may* be child appropriate....don't know yet though. it looks good though just the same.