Earth Explorer integrates high resolution satellite imagery and political boundaries, coastlines, rivers, 267 countries and regions, 40000+ ranked cities, 15000+ islands and 1700+ noteworthy historical earthquakes since 1980 into a fantastic 3D earth globe. You can specify what kinds of map layers to be shown, rotate the globe, click right mouse button and pull/push to zoom in/out the current view, measure distance between any two points, etc.