We'll start with the road (letters have been scrambled and/or smudged):
Next, there's a rest stop along that road, with a picnic table and a pillar:
Topped by a black iron silhouette of a horse that's been shot full of holes:
Lastly: out west, most of the streams only carry water in the wet season. The rest of the year they are dry, and the bed of a dry stream is known as a wash. This is a wash:
What's the connection? And, by the way,
Where am I?
Name the road!
Name the Rest Stop!
Name that riderless horse!
and (for a bonus):
Name that dry wash! (He's kidding, right? No, actually--I think he's serious!)