At 4,210 acres, Griffith Park in Los Angeles is not only the second-largest park in California but also one of the nation's largest parks. Located within the park is the Griffith Observatory, the Greek Amphitheatre, the Los Angeles Zoo, the Museum of the American West, the Travel Town train museum, two golf courses, a merry-go-around, countless hiking and horse trails, the Haunted Hollywood Sign, a few ghosts, and an old 1863 curse.