http://www.johnsadowski.com/big_spanish_castle.php

I thought 'oh, I've seen these before' at first but I did it anyway as I quite like the effect, but this one has a bit of a twist if you follow the instructions properly.

Neat.

very good, well worth 30 seconds

Woah thats cool, eyes are interesting.

too be honest it took me a minute to realise it wasn't a colour photo but it is late and i have been swimming tonight so my eyes are a little hazy from the chlorine!

Weird, but i like illusions

Quote from Rish :

too be honest it took me a minute to realise it wasn't a colour photo but it is late and i have been swimming tonight so my eyes are a little hazy from the chlorine!

lol.. i realized that the pic was without colors after what you posted

Saw this in my data visulisation class a few years back. I'll try and find some other cool ones we came across.

really fascinating, i expected a "i shock you with ugly face and sound" thing but that was interesting

Quote from baSh0r :

really fascinating, i expected a "i shock you with ugly face and sound" thing but that was interesting

lol I have that problem, everytime I see some optical illusion I think about those things
But this one is very cool!

Quote from baSh0r :

really fascinating, i expected a "i shock you with ugly face and sound" thing but that was interesting

Me too.
But this one is really weird.