The document provides information on the natural wonders and history of several Northwestern states, including Idaho, Montana, Oregon, and Washington. It discusses the Lewis and Clark expedition in Idaho in 1805 and the gold rush of 1860. In Oregon, it notes human activity dating back 13,200 years and the state's admission to the union in 1895. Washington is described as the "Evergreen State" with western and eastern regions that have wet and dry climates respectively. Major cities and landmarks mentioned include Boise, Coeur d'Alene, Glacier National Park, Crater Lake National Park, Portland, Mount Rainier, and Seattle.