GEOGRAPHY & CULTURE
SHOW - A New Way to Look At the World.- Great for data collections about countries
CIA - The World Factbook - provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 266 world entities.
BBC Country Profiles - Full profiles provide an instant guide to history, politics and economic background of countries and territories, and background on key institutions. They also include audio and video clips from BBC archives.
ShareGeography - 101 creative ways to teach geography
National Geographic for Kids - A wide variety of games, puzzles, and activities for students of elementary school age. National Geographic Kids has nine games specifically for developing geography skills.