It's true that he has no idea what Bucky is talking about for the most part. So even as Inigo listens to him as they start to reach the hot springs area, the look in his eyes is slightly baffled. Sure, sand, he knows what that is. He knows what sun is, obviously. But.. watermelon juice? Base... ball..?

Wait, that's not even the most confusing one.

"Hot dogs?! Why are those poor dogs so hot, Bucky? Don't you guys want to cool them off?!"