some favs -
unencyclopedia, a parody site of wikipedia, with hilarious made-up entries: http://uncyclopedia.org/wiki/Main_Page

lost in translation, lets you know what happens to common phrases when they're translated back and forth between different languages:
http://www.tashian.com/multibabel/

americanphotojournalist, cool photog site: http://www.americanphotojournalist.com/