3D Photographs You Can See Right Now! You Don't Need Glasses.

I'm sure you remember those "Magic Eye" books from the 90's where you had to cross your eye to see a hidden image.  This is basically the sam thing but with real photographs.  It's just cool that it actually works- and you can make 'em yourself!

Cick here for a how-to on how to see it.

Found on Digital Photography School from @josh_connolly