1
Historic Old Sacramento
Sacramento,
CA
(916) 448-0811
Historic Old Sacramento offers guided underground tours through the hollow sidewalks below Old Sacramento. Those structures were once at ground level, but during the 1860s and 1870s the sidewalks were raised and the first ... showcaves.com
2
Plamaz Vineyards
4029 Hagen Rd,
Napa,
CA
(707) 226-5587
Palmaz Vineyards' winemaking and aging takes place within the living rock of Mount George, in a flawlessly engineered maze of tunnels and lofty domes. The height of the wine cave is equivalent to an 18-storey building, ... wine-compass.com