Mumm Napa A sibling to the French Mumm. Great introduction to sparkling wine, and a fine photo gallery. Free tour, tasting from $6;
near Rutherford; mummnapa.com or 800/686-6272.
Schramsberg Vineyards The Davies family pioneered top- quality sparkling wine in Napa. Tour (by appointment only) from $35, including tasting; in Calistoga; schramsberg.com or 800/877-3623.
Pictured: The 2001 Schramsberg Vineyard's "J. Schram" ($100), a great special occasion wine.