What wine is United States known for?

The USA has the reputation for being a country the produces high quality wines and California is by far the prime producer. Cabernet Sauvignon, Chardonnay, and Pinot Noir are all standout varieties, but, those from Napa Valley and Sonoma county are particularly famous for the Cabernets and Chardonnays from regions like Sonoma and Santa Barbara show the best quality. The Willamette Valley, which sheds light on Oregon's great Pinot Noirs, is an exemplary area where this French-style grape variety flourishes.