Yes, Iapetus does have some interesting, odd features. I think it is Phobos that is supposed to be “the odd one” out of Mars’ two moons.
[ Yes, Iapetus does have some interesting, odd features. I think it is Phobos that is supposed to be “the odd one” out of Mars’ two moons. ]
Richard Hoagland has some interesting stuff on his site:
http://www.enterprisemission.com/
However he jumps to some pretty crazy conclusions and some of his stuff looks like he is pulling data out of the air, but the stuff that does stick out (about 20-50% of it) is fascinating.