This Passport to Knowledge website presents fun, educational materials on NASA's Mars Exploration Rovers (MER) mission. Users can find information on Mars, the MER mission, and the research team. The website features many hands-on activities designed for the home or school including Rocket Science 101 and Solar System Distance Activity. Students can find interactive puzzles, concentration games, and word searches. Visitors can learn about and view TV-broadcasted programs. Users can discover Mars-related events taking place in their local communities as well.