http://cg.scs.carleton.ca/~morin/misc/sortalg/ Java applets which visually demonstrate various sorting algorithms.
http://evan-roth.com/9to5paintings.php These are graphs which show a user's clicks throughout the day as a single image.
Gil's LotD (Link of the Day) publishes a link to a web page every day. The linked pages are chosen for their interesting, informative or entertaining content. You can read Gil's LotD on the web or in a daily email.