Thank you for all the good suggestions. I like the idea of creating a wall that matches the airy feel of the living room. The picture is open house pictures. My furniture are mostly modern with grey, white color scheme. I am thinking about the follow options. What do you think of the following:

1. Using white birch plank from real stone system

2. If I am going to paint it. Since my own furniture is more in a cooler, modern tone, can I use medium grey to create an accent wall? I like warm grey as well, but not sure if it is too close to my other walls.

3. Using a texture wall paper. Any recommendation? I like Phillip Jeffreies.