fork in the road

http://mademelaugh.com/pixes/fork-in-the-road.jpg
a fork in the road, literally

Atomic Rockets

http://www.projectrho.com/rocket/rocket3ab.html
I'm not sure exactly what this is, but what an amazing collection of science fiction images and ideas in one place.

Bing/Twitter

http://www.bing.com/twitter
this site keeps track of what people are tweeting about so you can keep your fingers on the pulse of what's really unimportant

Making a graphic image of words

This takes words as text and lays them out in a graphics collage arrangement:
http://www.wordle.net/
You can change the font or colors or layout.
Really great for poetry or inspirational messages.

Pinocchio Paradox

http://gemssty.com/2009/03/01/pinocchio-paradox/

famous failures

http://www.youtube.com/watch?v=dT4Fu-XDygw

most crazy site ever?

http://timecube.com/
plus extra points for centering everything