Napa Valley

Wineries {nid 18D}

NabeelIbrahim's Napa Tour, in geographical order from south to north along 29, courtesy of StephanieSchaaf. I haven't been to any of these myself. {nid 18E}

V. Sattui {nid 18F}

Good place for a picnic. Free tastings. {nid 18G}

Beringer {nid 18H}

Hourly cave tour. {nid 18I}

Ehler's Grove {nid 18J}

Tiny, tiny winery off 29 on the right just north of Beringer. Free tastings. {nid 18K}

Sterling Vineyards {nid 18L}

Gorgeous gondola ride up the mountain. {nid 18M}

JustinLin also recommends V. Sattui. {nid 191}