im heading south of the border june 28th for an over night trip so my time will be limited. My plan so far is to head straight down I-5 and take stevens pass to leavenworth, head north and head east on highway 20 until i hit close to the idaho border. Stay over night somewhere around there and choose a different route home. I was wondering if someone knew of some "must do" roads while im out that way as i wont have much time to do the exploring. I was also wondering if its worth seeing the coulee dam while im out that way...any input would be appreciated.