Ugly web sites are funny...
http://www.uglywebdesign.com/hall_of...l_of_Shame.htm
http://www.angelfire.com/ga/iLUVmarshall/index.html
http://www.kli.org/
http://www.jcsheriff.com/jcsheriff2.swf
http://www.nvidia.com/object/IO_9912.html (defacement?)

Theres much worse ones out there, they seem to have to be stumbled upon rather than searched for. Lets see who can dig up the worst!