Whether you’re a local or someone who has visited California multiple times, you’re probably familiar with the most iconic attractions around the Golden State. But even those who know the go-to spots of a destination may overlook its secret, under-the-radar gems. Discover the lesser-known treasures in cities like San Diego, San Francisco, and Los Angeles, and test your knowledge of the Napa Valley, San Luis Obispo, or Santa Barbara as you explore these lists of fascinating spots and hidden experiences.
