Ive seen these Dutch doors used for a childs room or play room. Kind of like a baby gate so you can keep them from crawling all over the house but still be able to hear them playing. home-front-door-lanai-porch-patio
Abandoned shotgun house in New Orleans, Louisiana. These are very common in New Orleans. But even more common by a large margin are the shotguns with two windows and front door and double versions of it.