11 Best Places to Visit in California 1 The San Francisco Bay Area. 2 Los Angeles and Disneyland. 3 San Diego: Sunshine, Beaches, and Spanish Architecture. 4 Yosemite National Park: A UNESCO World Heritage Site. 5 Lake Tahoe: Hiking, Mountain Biking, and Skiing. 6 Gold Country in the Sierra Nevada Foothills. 7 Sonoma County and Mendocino Nature Sites.