http://www.librarything.com/unsuggester/ The Unsuggester takes a database of "other people who purchased this book have also purchased" data and looks for a book that people who bought that one haven't bought.
http://en.wikipedia.org/wiki/Hans-Adam_II,_Prince_of_Liechtenstein Meet Hanz-Adam II, the Prince of Liechtenstein.

http://fishki.net/comment.php?id=15616 A photo gallery of amazing sand sculptures.
http://postrapturepost.com/index.html Write a letter to your agnostic and atheist friends, and then when the rapture happens this guy will mail them.

http://en.wikipedia.org/wiki/Rat_king Rat kings are plague rats which grow into a giant rat joined at the tail.

http://www.flashninjaclan.com/games.php?ID=27 Asteroid's Revenge: play Asteroids as the asteroid and destroy the little triangles.
http://www.rssowl.org/ RSSOwl is an open source RSS feed reader. At the moment I'm using GreatNews RSS Reader, but I'm going to try this program out because I really don't like the way GreatNews does tabs with IE.

http://en.wikipedia.org/wiki/Vessel_emergency_codes These are the code words used over PA systems on boats to talk about emergencies.
http://www.neilturner.me.uk/2005/02/05/quickly_compress_png_images.html Adding PNGcrush to the Windows shell.

http://www.fatchicksinpartyhats.com/
http://www3.addall.com/ Enter a book's name or ISBN into this site and it will display the price from different web vendors.
http://www.thinkgeek.com/gadgets/electronic/8c52/?cpg=42H The latest in annoyance technology.

http://www.sel.barc.usda.gov/diptera/ann1.htm Dr. Seuss made this book to teach GIs about malaria.
http://www.funny-games.biz/splash-back.html A fun bubble popping game.
http://images.businessweek.com/ss/06/11/1129_makingof_lego/index_01.htm How Lego bricks are made.

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.

http://www.spurgeonworld.com/blog/archives/2006/11/no_more_misplac.html A flash drive embedded into a bowling ball so no one can steal it. It uses a USB extender cable to connect to the computer.
http://www.zefrank.com/theshow/archives/2006/11/112106.html Ze Frank's videocast about surviving Thanksgiving.

http://www.tug.org/texshowcase/cheat.pdf A cram sheet of algorithms and identities for computer science majors.
http://spluch.blogspot.com/2006/11/japanese-do-it-yourself-cars.html A Japanese company is selling do it yourself car kits.
http://aelinik.free.fr/c/index.html A tutorial to C.