3D Atlas Online is the ideal resource for reference and research about Planet Earth. Has several sources that are helpful for geography students, teachers and parents. Maps and globes of the moon, the planets, or the sky as seen from the Earth may also be made. This great introduction to the many benefits of maps is written for the school-age crowd by Compton's Encyclopedia. Political maps show the boundaries of governmental entities such as countries, states and provinces.
Physical maps display geological features like mountain ranges, rivers and lakes.
Not just an online version of a printed atlas, National Geographic's Map Machine lets you create and save your own customized maps. A few examples of your mapping choices include Degree of Ecosystem Threats, Annual Precipitation, Recent Earthquakes or Mineral Resources. Great site all about paper money. This site provides population figures for thousands of cities, towns and regions of all countries. These figures are updated as often as the census is taken in that country and are as current as possible.