You can see that Spirit from Orbit!

2004-12-02

Link: http://www.nasa.gov/multimedia/imagegallery/image_feature_216.html

an image taken by the Mars Global Surveyor spacecraft (orbiting Mars) of the tracks made by the Spirit rover, the lander and even the rover itself!

Wheel tracks left by NASA's Mars Exploration Rover Spirit, and even the rover itself, are visible in this partial image from the Mars Orbiter Camera on NASA's Mars Global Surveyor orbiter