Edusim

Check out the virtual learning worlds developed for interactive whiteboards. As soon as you see a few of these videos I guarantee your mind will jump to all sorts of possibilities....especially for social studies and science! What is edusim? Here is a blurb from the website...but go see for yourself...
Edusim is a free opensource 3D virtual world specifically for your classroom interactive whiteboard! Edusim is an extremely powerful way to engage your students by bringing a 3D virtual environment that allows the direct manipulation of the 3D virtual learning objects directly from the interactive whiteboard surface. The Edusim is extendable allowing multiple classrooms to connect their interactive whiteboards for collaborative learning session!