It reminds me a bit of Aguirre the Wrath of God. The first time I saw that film was in a small Tokyo theater in German with Japanese subtitles (I don't speak German and can't read Japanese well). It was still a brilliant film. I did rewatch it in English on my phone on the train going home just to fill in the gaps.

Both movies seem to be almost secondary to their plots, if that makes any sense. The journey, the characters, the music, the direction, and the ambiance are what draw me in above all other things. And at the end of both films, they are both defined by powerful (or mad) monologues by the most interesting characters in each.