This is really cool - Photosynth , just click the link and you will be able to explore and create new worlds that were created by synthesizing all the picuters in to a single stunning virtual 3D memory.
I came across this cool thing : The Forbidden City: Beyond Space and Time is a partnership between the Palace Museum and IBM. The goal of the project is to provide the means for a world-wide audience to celebrate and explore aspects of Chinese culture and history