The latest is Sol Rouge, which Kane opened at the end of April with a focus on producing wines from the grape varietals of southern France's Rhone and Bordeaux regions, sourcing the fruit from his 70-acre vineyard in the RedHills north of Napa.
The fertile alluvial plains that stretched almost endlessly outside the windows during the first half of the journey give way to an undulating red earth dotted with small rocky hills, scrub bushes and slender trees.
She skyrocketed to fame in her own reality spinoff The Hills, quickly became a fixture on the red carpet and major magazine covers, and even landed on the Forbes Celebrity 100 list.
The sight of the red half of north London might send Bolton manager Owen Coyle to the hills - the Scot lost twice in three days to the Gunners at the start of the year in his first matches in charge at the Reebok Stadium.