The problem with Olympus Mons, when it comes to views, is that when you're on it, it's too big, and too gradual a slope to see off it. Also, when standing at th

The problem with Olympus Mons, when it comes to views, is that when you're on it, it's too big, and too gradual a slope to see off it. Also, when standing at the base of it, the summit is off over the horizon. Give me Valles Marineris any day.