Depardieu, who owns wineries in several countries across the globe, even has his passport listing his occupation as vigneron. Speaker of the U.S. House of Representatives Nancy Pelosi owns two vineyards that sell grapes to California producers.

The Man Behind The Wine John Caldwell is known by many names but here in legendary Napa Valley, he's a legend all his own. Over the last 40 years, John has built Caldwell Vineyard into what is arguably one of the greatest and most unique wine estates on earth, with 11 different clone-specific grape varieties.

Now in its third century, Charles Krug Winery is the quintessential example of a multigenerational winery that fuses tradition and innovation to craft wines of high acclaim. It is the oldest winery in the Napa Valley and has been owned and operated by the Peter Mondavi, Sr. family for four generations, founded in 1861.