Denver Picture Windows and Sliding Glass Doors: The Pros and Cons Picture Windows Nothing compares to the feeling you experience by admiring nature from within the comfort of your home by looking at it through massive Denver picture windows. Getting access to a serene and picture-perfect view will guarantee one thing – you will never forget the view. Installing our expansive picture windows will make your exterior view a focal point for your home. For those who don’t know what a picture window is, I’ll explain. A picture window is usually a large window that has a sole glass.