Want to see what the surface of Mars looked like a few million years ago?
Apparently a drive up through (much of) eastern Washington, into southern Idaho and western Montana will give you a pretty good idea.
From Flood Myth to Martian Megafloods | History of Geology, Scientific American Blog Network
When wealth is lost, nothing is lost; when health is lost, something is lost; when character is lost, all is lost. - Billy Graham"