600 feet into the side of a Napa Valley mountainside and 80 feet down. And filled with wine. And more wine. And more wine after that. This is a boutique vineyard and the owner/wine maker gave me a tour. This cave was dug out of solid stone with a monster tunnel excavator.
David,
Wow, that is immense. Almost looks like some cold war DOD effort that has been re-purposed into a ginormous wine cellar.
Mark