The Washington Post reports that Google and Discovery Communications Inc. have partnered to offer video clips of historic sites and other sites around the globe. This is just one step of many that Discovery Communications is taking in order to distribute content beyond the confines of television. Discovery will integrate streaming video of such locations as: Yellowstone National Park, the Great Wall of China, Trafalgar Square and others into Google Earth, Google’s digital mapping product… (Note: This site requires free registration.)