No need to go anywhere:
www.tomshardware.com FTW!!!!!!! Some threads are ******* hilarious.
Then there is a specific funny site:
www.engrish.com
for funny engrish lable.
And a general video site with a lot of funny stuff:
www.youtube.com
search for:
Japanese game show (Takeshi's castle, Human tetris)
Japanese prank (Sniper, Hot water, Toilet eject, etc)
Yourfavoritemartian
MrChaoNation