3Dementia

Some eye-popping, brain-baffling street art; no special spectacles required.
http://news.cnet.com/2300-1023_3-10004269.html

(And if that's not enough, more at SmashingApps.)


"Talent hits a target no one else can hit; Genius hits a target no one else can see." - Arthur Schopenhauer


Also in 3D, this interactive Escher 360 panorama.
http://www.360cities.net/image/tribute-to-escher