Double Rotation Angle

In my simple development of four walls and a cube to look at, I have found that my head rotation is doubled. So when I look straight up, my view is the top of the wall behind me... when I look behind me, the cube that is normally in front of me appears.


Any ideas? Thanks!


Developing in Unity 5.4.0f3... computer specs below:

AMD 8350 4 GHz
32 GB RAM
Nvidia GTX 970
Win10Prox64