You may be interested in my GlobalEd2 project which blends social studies (geography, culture, economics, civics) with global science issues... Not only do kids learn geography they learn why it is important to consider a country's/region's geography in the context of world issues related to science (water, food, energy, climate..).
The Mixed-Reality Integrated Learning Environment (MILE) developed at Florida State University is a virtual reality based, inclusive and immersive e-learning environment that promotes engaging and effective learning interactions for a diversified learner