Leonardo DiCaprio has always been a top collaborator for Christopher Nolan, but perhaps this is because of his crucial input ...

The Inception ending left audiences torn over the "correct" answer to the conclusion. When Cobb finally returns home after his heist, he pulls out the totem he used to distinguish dreams from reality.

"Inception,' Christopher Nolan's mind-twisting action thriller, turns 10 this week. We caught up with the movie's Oscar-winning cinematographer, Wally Pfister.