I forget where I saw this really cool website called Dreamlines.
You type in a word or phrase and it uses images from the Web to form phantom images in realtime, using abstract brushtrokes, that eventually coalesce into recognizable forms.
I can just sit back & watch Dreamlines be created into ethereal images that meld into one another over & over. It can really be a mesmerizing non-linear visual experience. Wooah, dude.
I typed in "Da Vinci's Challenge" & took some screenshots of the resulting images that formed: