Charles Krug is one of Napa Valley’s most storied wineries. It was founded in 1861 by Charles Krug, a Prussian immigrant who amassed a 540-acre estate before his death. Prohibition and phylloxera brought difficult times to the winery in the early 20th century, and in 1943 it was bought by Cesare Mondavi, an Italian immigrant. Mondavi turned the winery into powerhouse, but after his death his sons Robert and Peter famously disagreed on what direction to take the winery. The result was that Peter and his mother stayed on at Charles Krug and Robert Mondavi started a winery that was to become one of the most influential in California, and to some extent, the world. Today Charles Krug is still run by Peter Mondavi’s sons and it produces nearly one million cases a year, ranging from Cabernet Sauvignon and Zinfandel to Chardonnay and Pinot Noir.