Photosynth

Photosynth is a new technology from Microsoft Research which enables to combine and view pictures in a three dimensional space. It's a Microsoft and University of Washington collaboration project. With a huge collection of pictures you can have a detailed view of a particular element on the Photo.
Do you want to try it ? Check it out here.

Here are a few videos to know more about it:

http://labs.live.com/photosynth/video3.htm
http://labs.live.com/photosynth/videodemo.html

This is not open to the public but you can have a look at the available collections here.
If you want to know more about it, Please visit their website at:
http://labs.live.com/photosynth/default.html

More videos:
Photosynth and Virtual Earth:


Video: Virtual Earth and Photsynth Tour of St. Peter's Basilica