You can share or relive a vacation destination or explore a distant museum or landmark. With nothing more than a digital camera and some inspiration, you can use Photosynth to transform regular digital photos into a three-dimensional, 360-degree experience. Anybody who sees your synth is put right in your shoes, sharing in your experience, with detail, clarity and scope impossible to achieve in conventional photos or videos.
http://livelabs.com/photosynth/