Mars will be the second place in our solar system which humans will inhabit, after the moon. The technological achievement of sending vehicles and robotic machines to Mars to orbit, map, photograph and take samples is astounding. Mars Rover imagery:
marsrovers.jpl.nasa.gov/gallery/images.html

Mars Atlas, a browsable, zoomable and scrollable atlas of Mars, showing the locations (footprints) of thousands of high-resolution Viking Orbiter images.
"This atlas lets you click and zoom to any part of the planet Mars. Special thanks to the United States Geological Survey in Flagstaff, AZ for providing a digital set of Mars images. Here how the atlas is organized: 1.Mars is split into four quadrants: North Pole, South Pole, Eastern Hemisphere, Western Hemisphere..."
http://cmex-www.arc.nasa.gov/Atlas96/Atlas96.htm

http://antwrp.gsfc.nasa.gov/apod/image/0107/mars_hst_big.jpg