This map shows the path that NASA's Mars Exploration Rover Opportunity followed from the 1,813th Martian day, or sol, to Sol 2450 (Dec. 15, 2010) when Opportunity approached a crater informally named 'Santa Maria.'
This map shows the path that NASA's Mars Exploration Rover Spirit followed from the 743rd Martian day (Feb. 4, 2009), or sol, to Sol 2471 (Dec. 15, 2010). Spirit has been at a sand-trap location called 'Troy' since April 2009.