PBS
Pbs Teachers: Welcome to Mars: Mars Up Close Spirit and Opportunity
Take an interactive, narrated tour through some of the most stunning and outlandish images and data sent back by the two Mars rovers Spirit and Opportunity. Consider the many reasons why scientists are certain that Mars had a wet past.
Other
Mars Exploration Rovers Special Update: Opportunity's Findings at Endeavour
Learn more about the Mars Exploration Rovers' missions by checking out this informative resource. If offers many pictures as well.