An outside shower....

 The inside of the bathroom.....to the right is a big clawfoot tub....wonder what is behind the door?

 The shower!!  And it is outside, built of stone, all of it...the floor, walls, everything.....

 Yep, tin roof extends over the top......Greg posing while I take photos from the outside.....

The person that built the shower thought they were funny.....notice the natural peep holes in the rock......