QuickTime Virtual Reality
QuickTime is the Apple technology that makes video, sound, music, 3D and virtual reality come alive for Macintosh and Windows.
QuickTime VR is Apple's award-winning photorealistic cross-platform virtual reality technology that makes it possible to explore places as if you were really there! All major applications that play QuickTime movies can also play QuickTime VR movies.
For lots of info go to the Apple Site.