Facts on File World Atlas – At-a-glance facts and maps about countries, states and Canadian provinces. Also provides recommendations for further resources.
CIA World Fact Book – Info about countries all over the world, maintained and updated regularly by the CIA. Includes facts about the people, government, economy and more.
National Geographic – Culture and nature from all over the world, with amazing photographs.
Stately Knowledge – The Internet Public Library’s clickable US map. Includes capitols, state birds, origins of the states’ names, pictures of flags and more.