http://www.metaresearch.org/solar%20system/cydonia/asom/artifact_html/default.htm
Artificial Structures on Mars.
Dolphin, Arrow, various symbols, triangles...maybe, maybe not, IMO the question remains open.
My personal favorites from that collection:
http://www.metaresearch.org/solar%20system/cydonia/asom/artifact_html/slide.asp?image=42
http://www.metaresearch.org/solar%20system/cydonia/asom/artifact_html/slide.asp?image=44
My personal favorites not from that collection:
http://www.astronomynotes.com/solarsys/pics/valentine-mars.jpg
http://news.bbc.co.uk/olmedia/800000/images/_801622_happy_face300.jpg
