https://www.thecanadianencyclopedia.ca/en
Site available in English and French. This is the online version of the "authoritative encyclopedia about Canada and its people, updated and expanded," available in full text. Some sections requires Shockwave, RealPlayer, and QuickTime plug-ins.
Ology
//ology.amnh.org
The American Museum of Natural History(AMNH)'s Website for Kids that explores the world of "ologies" from Anthropology to Palentology and even includes a connection to Astronomy.