Ten Milestones in Movie 3D

3D films earn their name by trying to provide an illusion of depth to the image that you see. Over time, several processes have been used to create the effect, but the endgame has always been about trying to thrill and captivate the audience. The latest - Sony/Columbia's animated adventure Clouby with a Chance of Meatballs opens Friday.

Here are ten films that serve as milestones along the road to modern 3D.