Instead of placing your photos and art sporadically around the room, cluster them together. This move deliberately defines a wall as your entry, sectioning it off from the rest of an open layout. See more at The 36th Avenue » - GoodHousekeeping.com
There was this little wall at the top of the stairs that became a "catch all" area. I never really thought about it until I realized it could be fun to create a little gallery wall on it! Check out more details on my post "Giving purpose to an otherwise overlooked wall"