SD- if you're only using the car for vacations, it might be cheaper and easier to take Greyhound.
I like the Kootenays. Bit of a drive, but it feels like a world away. Small towns (very friendly!), natural hot springs, great camping. You'd like it, cuz there are German people there! Kimberly is a Bavarian-style town, New Denver is a former WWII Japanese Internment camp, Nelson, Fernie, Cranbrook, nice lake in Invermere...
[a href="vny!://www.kootenays-bc.com/"]vny!://www.kootenays-bc.com/[/a]