- United Nations Environmental Program, which has provided an overlay that offers successive time-stamped images showing 100 areas of extreme environmental degradation around the world. The overlay includes images from the last 30 years illustrating deforestation in the Amazon region, the fallout of raging forest fires in sub-Sahara Africa and the decline of the Aral Sea in Central Asia.

- Discovery Networks World Tour, an overlay that gives travel fans a chance to virtually visit major world attractions, cities,and natural wonders.

- National Park Service, which offers an overlay that enables users to learn more about all 58 National Parks in the country, including detailed descriptions, information on visitor facilities and information on more than 10,000 miles of trails.

- Jane Goodall Institute, which provides an overlay allowing users to "visit" Fifi and the other Gombe preserve chimpanzees and follow their daily exploits with the Institute's "geo-blog." Updated daily, the geo-blog shows off the Institute's research on chimpanzees and the effects of deforestation in Africa.

- Turn Here, which provided an overlay featuring free city video guides about travel, restaurants, hotels, local events and music around the globe.