http://www.longislandlan.com/pyramid.jpg

original link

http://space.com/missionlaunches/ex...ate_040119.html

Breathtaking image, i saw another one which showed somekind of square foundation on a hill

sorry fluid but i could not get the url to work

You may find a whole lot more interesting formations at these sites.
Thermal Imaging from Mars orbit. (http://themis.asu.edu/latest.html)

Mars orbital Camera Pictures (http://www.msss.com/mars_images/moc/2003/10/index.html)

Wait till you try the mapping program and really start searching data sets, you will either thank me or condemn me and curse a slow phone modem. :D

Where are the pyramids?

Looks like plate tectonics to me.