Exploratour - The Surface of Mars
Altimeter Shows the Difference
This pictures shows the different heights of the land on Mars. The higher the red line, the taller the ground is.
Do you see the big hump in the middle? That is the where the northern lowlands and the southern highlands meet. Can you tell from this picture which one is higher, the lowlands or the highlands? If you guessed the highlands, then you're right!