The character of Shannon is given a shoe to smell at the 44:30 mark. When she is handed the shoe it is facing one way but when the camera angle changes the shoe is facing the other way.
At roughly the 30 minute mark they showed an aerial view of Westport Connecticut and the Saugatuck River; the large text superimposed over the view claims it is Norwalk Connecticut.
There is an overhead shot of a town labeled as Hillsville, VA is that is obviously not Hillsville, VA.