In Oregon there are a few cool places....Crater Lake, if you feel like hitting the 101 a little higher,Oregon Caves and the Redwood forest, And like PHSJason mentioned central oregon is nice area too..Bachelor is awsome, and a few other sights in the area.
Crater Lake
[Link: en.wikipedia.org]Oregon Caves
[Link: en.wikipedia.org]Or since it will be summer...A river trip and dinner
http://www.hellgate.com/