The legacy of saltmaking is explored, from the days of Lewis and Clark to the modern saltmaking facilities of Jacobsen Salt Co.; Tree Climbing School at Dorena offers a demanding 4-day training to teach ecologists and scientists the skills they need to ascend some of the world's tallest trees; Every October, the residents of Tualatin take 1,000 pound pumpkins, carve them into boats, and race them around the Lake of the Commons.