Many websites including WorldHistoryProject.org, FactMonster.com and LegendsofAmerica.com offer trivia questions related to United States presidents. These websites also contain trivia related to many other areas of interest, such as geography, history and sports.
FactMonster.com is an educational website with the goal of piquing children's interests in learning. Aside from presidential trivia and trivia from other genres, the site has a homework center and a reference desk.
LegendsofAmerica.com is a website that features trivia and information related to the United States. There are numerous links to information about America's involvement in war, the highway system, native Americans and the national parks system.