This is a two-part geo-challenge. Part 1: What’s the jagged red linear landform in the distance? It continues for miles, and is graphically-named. (Click on images for better views.)
Evening light made it more red.
Part 2: Where was I standing when I took the photos?
Parking area for vantage point.

Mystery landform from a different location ... and not so red.
Know the answer(s)? – please add a Comment below. And if you’re in the area – do visit this incredible feature! For me, seeing it “live” was truly mind-blowing.