Visit San Francisco [1] or Los Angeles [2].
From San Francisco [1], add the Wine Country [3]; from Los Angeles [2], add Palm Springs.
Add the Central Coast [4], Tahoe [5], and Yosemite [6].
Add the North Coast, Gold Country, San Diego [7], and the Deserts.
Links:
[1] http://www.moon.com/destinations/california/san-francisco-and-the-bay-area
[2] http://www.moon.com/destinations/california/los-angeles-and-orange-county
[3] http://www.moon.com/destinations/california/wine-country
[4] http://www.moon.com/destinations/california/central-coast
[5] http://www.moon.com/destinations/california/lake-tahoe-and-the-northern-sierra/lake-tahoe
[6] http://www.moon.com/destinations/california/yosemite-and-the-eastern-sierra/yosemite-national-park
[7] http://www.moon.com/destinations/california/san-diego