- Known for its funny name and its famous Sweet Onions, Walla Walla in the Columbia River Plateau of Washington State is a pleasant stop with a charming downtown and booming wine industry.
- Columbia River Plateau (en.wikivoyage.org)
The Columbia River Plateau, sometimes called the Columbia River Basin, is a broad plateau in Washington State where the Columbia River rolls its way between the Cascade Mountains and the Rocky Mountain foothills. Extensive infrastructure projects along the river have transformed this semi-arid sagebrush steppe into a literal powerhouse of energy and agriculture.