I think you can turn that option on under mapI mean you shouldn't have to discover a campsite or settlement to fast travel to it.
When traveling, there's no clear cut display on how the get where you want to go: Games like GTA and RDR flat out lay the path you should take, I have to keep checking the map for this game.





You're at the end, my guy.
Are you counting side missions? It's called endgame armor for a reason.