In about a week, I am taking a road trip from Oakland, California to Stevensville, Montana. I will go through Oregon both there and back. I've been to Crater Lake a couple of times and plan to hit John Day Fossil Beds on my way back to CA. Is there anything else I should check out in Oregon? I plan to stay in Ashland and Hood River on the way there and Bend on the way back. Also, I know you can't pump your own gas in Oregon, but is it customary to tip? This will be my third time driving through Oregon, and I still don't know the answer to this question!