We were going thru a lot of mountains. Eventually, the mountains started receding in the horizon and the desert took over.

The rather predictability of the horizon was suddenly broken by this very odd landscape. Look at the particular rock I am referring to. It is almost flat on the top for *many* *many* miles. Looks almost like a perfect plateau. Except that it is flanked by either side with normal mountains.

Not sure about what makes it this way.