When and why was it made?

I stumble upon some bizarre rock formations in the American Southwest while on a two day backpacking trip. Some of them are natural, others are not. #southernutah #exploreplaces #hiking #backpacking #geology #rockformation #camping My search for an unusual ruin:    • Who built this structure in the middle of ...   ________________________________________________________________________ By no means do I consider my self an expert on anything.