California, a western U.S. state, stretches from the Mexican border along the Pacific for nearly 900 miles. Its terrain includes cliff-lined beaches, redwood forest, the Sierra Nevada Mountains, Central Valley farmland and the Mojave Desert. The city of Los Angeles is the seat of the Hollywood entertainment industry. Hilly San Francisco is known for the Golden Gate Bridge, Alcatraz Island and cable cars. We have made a list with 20 photos that will make you want to travel to California.