I have to say, now that we've moved on from Montana, I am missing the possibility of seeing some wild aminals. We have a video of some adult Bison walking up to the middle of the road and staying there while the babies crossed the road. Only then did they cross themselves.
Pronghorn Antelope across the river from our campsite. We were surprised that he was out here all by himself.
Montana is beautiful, no matter where you go. We spent a few weeks in Yellowstone Park (a $10 senior pass will get you into any National Park for free), and a week in the Missoula area, which has the Clark Fork River running through it, back and forth across town. Gorgeous. We'll definitely come back here again.
In fact, we've been so impressed with South Dakota and Montana (and always Washington, Oregon, &, home, California) that we may retrace our steps again next year!