OK, I know what you're probably thinking..."Guest bath, who cares?"
You will care after you travel the 100+ miles that it will take most of you to get here when you come to visit.
Down the hall and to the left...
And you'll naturally reach around the corner right inside the door for the light switch (trust me, I just know you will). And you won't find it there. But you might have to pee so bad that you'll consider just shutting the door and peeing in the dark...
...It's on the other wall beneath the towel rack.
Just the first thing you'll need to remember for your first visit to Wild Horse.