My geometry animations cleared 100K views and are closing in on 110K! Half of those views are from the insanely popular Root Spiral of Theodorus:
And about a sixth of the 100,000 + views are from its companion video, Constructing Square Roots on the Number Line:
As always, you can download the PowerPoint slideshows these animations were made from by clicking on the Animations tab. That way, you can modify them and pace them to suit your students and your style.