For time immemorial Snoqualmie Falls has been a sacred site to the Pacific Northwests native people, a place whose thundering waters and soaring mists harbor deep spiritual power. In the 1880s, a young man gazed upon Snoqualmie Falls magnificent, cascading flows and envisioned an entirely different kind of power. This is the story of that enterprising civil engineer and his remarkable quest to harness Snoqualmie Falls energy and build the worlds first completely underground hydropower plant, deep within towering falls granite shoulder. More info at PSE.com