Mapping Our World: Overview of maps and globes, with activities.
Two sites that teach basic map skills through interactive games:
Nikki Learns About Maps: has an overview of maps, symbols and keys, directions, and map grids
Geography map games: map skills, cities of the world, provinces of Canada, African countries and other games
Geography quizzes: broken down by region; has European countries, US state capitals, Canadian bodies of water; etc.; you can take the quiz and then type in your name and print quiz results