Apocalypse now has some fantastic cinematography. But is too long and drags on too much so can't put it in must see category. But maybe it's different for the original release I watched Apolypse now Redux
I see your point and I am sure you are not alone in having it
... and yeah the Redux version is quite a bit longer than the original.
Still, I think the tricky thing with these movies could be that people often expect more "action" in them when, in reality, that is simply not the purpose/message of movies like Apocalypse Now, which message is probably better appreciated namely in the slow, dragged on scenes.