http://www.youtube.com/watch?v=rkJpsJzfE1M A trailer about Halo 3.
http://halo3ending.ytmnd.com/ The ending to Halo 3!
http://favcol.com/ This website takes the average of all the colors on Flikr.

http://www.helltycoon.com/home.asp Hell Tycoon, the game where you play as Satan and plan out Hell!
http://lifehacker.com/software/customer-service/skip-straight-to-the-operator-with-your-dirty-mouth-179352.php Some computerized calling trees can recognize profanity and will give you a live operator!

http://www.youtube.com/watch?v=F5ky5ClIjL8 Bollywood meets The Beatles.
http://lunchtimers.com A MMO game which lets people drag letters around on a board.

http://tasvideos.org/SuperMarioBrosTricks.html#walljump_smb1_smb2j_smb3_ Instructions on how to do all sorts of tricks in all the Super Mario Bros games.

http://valleywag.gawker.com/tech/steve-ballmer/wsj-makes-ballmer-an-orc-177781.php A comparison of the Wall Street Journal's picture of Steve Ballmer.
http://www.gravitation3d.com/magiccube5d/ A Rubik's cube in five dimensions!

http://www.mexicanpictures.com/headingeast/2006/06/motion-sensing-and-isight-hacks-on-mac.html All of the programs that take advantage of the motion sensors in the latest Mac laptops, very cool.
http://www.micom.net/oops/ The Oops list of crashed vehicles.
http://eepybird.com/dcm1.html Another Diet Coke and Mentos video.

http://photowebs.blogspot.com/2006/03/transparent-butterfly.html Pictures of a butterfly which has transparent windows in its wings.

http://www.canyonsworldwide.com/crystals/index.html Photos of a cave that has enormus crystals.
http://jacksonpollock.org/ A cool flash app which uses the mouse to make Jackson Pollock style paintings on the screen.

http://www.instructables.com/id/The-Office-supplies-trebuchet/
http://ubuntuforums.org/showthread.php?p=1071920&mode=linear
http://www.wired.com/wired/archive/14.06/start.html?pg=9

http://www.instructables.com/id/Vacuum-Cannon_1/ Instructions on how to make a vacuum cleaner into a cannon.
http://www.primitiveways.com/fire_from_ice.html Starting fire with a lens made of ice.