Google Earth is a virtual Globe application. The application displays geographical locations in 3D view. 3D images combined with Google search, Content from Top sources (such as Wikipedia, National Geographic etc), and User generated and shared content/images make Google Earth a very powerful mapping and research tool.
You can view your house or School, Parks, restaurants and other Point of interests. You can also tour popular places. In it’s latest version. Google Earth also added Sky view, You can see stars, Earth’s moon, Galaxy in Google Sky.
Check these Video tutorials on navigating and finding Locations in Google Earth
You can find More Video Tutorials on Google Earth.
Looking to do more with Google Earth, check out the User Guide.