19 perfectly looped GIFs that go on forever and ever

The animated GIF has grown to be one of the internet's finest artforms. But what separates the Michelangelos of the GIF world from the finger-painters is the ability to create infinitely looped GIFs that seemingly go on forever and ever. Here some of our favorites. Be warned; brains will be broken.

Have you seen better? Share your best infinitely looped GIFs in the discussion below.