Earth Explorer integrates high resolution satellite imagery and serval kinds of map information together to provide a total 3D view of our beautiful planet earth. Besides the vector map layers such as political boundaries, coastlines, islands, lakes and lat/lon grids, Earth Explorer also provides four types of point maps including 267 countries and regions, 40000+ ranked cities, 15000+ islands and 1700+ noteworthy historical earthquakes since 1980 and detailed tips information. You can rotate the globe, zoom in and out (click mouse right button and pull/push can zoom in/out the view), measure distance between any two points, etc.