By printing one 16x20 vertical print, and four 8x10 horizontal scenes, you can create a beautiful cluster of imagery for your home. Below are five black & white photos I'm about to hang, plus an illustration which details how to group them all together. Enjoy
Misty Morning Cabin, Great Smokies National Park, Tennessee
View from Glacier Point, Yosemite National Park
Valley of the Ten Peaks, Banff National Park, Canada
Divided by Nature, Harriman State Park, NY
Adams Falls, Ricketts Glen State Park, Pennsylvania
With one large vertical printed at 16x20, and four horizontal frames at 8x10, you can assemble a nice grouping like the example below.
This idea, and many others have been pinned to my Pinterest page. If you haven't already, check it out.