One more little mistake we made on our trip to Oregon was to park in Portland and not really read the signs. We parked near Voo Doo Donuts, which wasn't where we were going but just happened to be down the street.
If you aren't familiar with Voo Doo Donuts I'm not sure how to explain it to you . . . it's a little donut shop with very strange donuts that is very popular. My daughter and I went there once and it was very interesting to say the least! Anyway, it's so popular that when we drove by there was a line about 2 blocks long so we were looking at that and not paying attention to where we were parking.
We went and got some coffee and then walked around Portland which provides plenty of great people watching. We saw several people singing and playing instruments on the street and this guy was our favorite: