Spanish, British, and French explorers reached the Pacific Northwest before Meriwether Lewis and William Clark. The American captains benefited from those prede

"A former Washington State Historical Society director examines the Corps of Discovery's journey after they crossed the Rocky Mountains. He places curious and s

River of Promise focuses on often-overlooked yet essential aspects of the Lewis and Clark expedition: locating the headwaters of the Columbia and a water route

The journals of Meriwether Lewis and William Clark remain the single most important document in the history of American exploration. Through these tales of adve