There are some movies you watch twice because you love them. And then there are some movies you watch twice in a desperate attempt to understand them. They leave you scratching your head, trying to parse the film's intricate plotline.

Despite how confusing or mysterious some of these movies may be, a lucky few have managed to confuse their way into our hearts and minds. Their mystique has a hold on us, and we're compelled to watch them over and over again.

Here are nine movies we love -- and would love to understand a whole lot better.inception