<a href="https://en.wikipedia.org/wiki/Mars_Global_Surveyor" class="extiw" title="en:Mars Global Surveyor">Mars Global Surveyor</a> image of the Martian volcano <a href="https://en.wikipedia.org/wiki/Apollinaris_Patera" class="extiw" title="en:Apollinaris Patera">Apollinaris Patera</a>.
NASA/JPL/MSSS
<a rel="nofollow" class="external free" href="http://photojournal.jpl.nasa.gov/catalog/PIA02006">http://photojournal.jpl.nasa.gov/catalog/PIA02006</a>