Between bedroom and bathroom?
These look great and are relatively inexpensive.
Of course, horizontal windows aren't the only ways to capture views of the surroundings. This house in Sonoma County, California takes advantage of the dramatic valley scenery with a pool and terrace. Inside every opportunity is taken to bring that scenery inside, even in this hallway. The window seat and view make a trip upstairs a slow and leisurely one.
For the kids' windows