Encyclopaedia Britannica online. Use the basic free search (by word or via alphabetical list) of 32 volumes of Encylcopaedia Britannica. Also has a dictionary and thesaurus.
Browse articles by subject or keyword with this reference tool. Free encyclopedia, provides users with more than 57,000 frequently updated articles from the Columbia Encyclopedia, Sixth Edition. Articles enhanced with links to newspaper and magazine articles as well as pictures and maps - all provided by eLibrary.
The original Guiness Book of Records has been going since the 1950s. This interesting website has complete information about past and current record holders. Featured record breakers change regularly.
CIA compiled geographic, economic and political data for every country in the world. Fascinating site.