"Napa Valley Rocks: Overview" provides a snapshot of the Napa Valley appellation and wine industry. Learn what makes Napa Valley unique in the world of wine and get a preview of the Napa Valley Rocks video series.

Napa Valley Rocks: Soils and Geology

Narrated by wine educator and author Karen MacNeil, and featuring more than two dozen vintners and industry experts, "Napa Valley Rocks" will further your understanding of Napa Valley and its place within the world of wine.