Tucked into the hillsides of the San Gabriel Mountains, this sprawling horticultural and botanical center was formerly the estate of silver magnate "Lucky" Baldwin -- the man responsible for bringing horse racing to Southern California -- who lived until 1909 on these lushly planted 127 acres overlooking the Santa Anita racetrack. You might recognize Baldwin's red-and-white Queen Anne cottage from the opening sequence of Fantasy Island ("de plane, de plane"); the gardens are also a favorite location for movie filming and local weddings. In addition to spectacular flora (every continent is represented here), the Arboretum boasts a bevy of resident peafowl who seem unafraid of humans -- one of the best treats here is being up close when the peacocks, attempting to impress passing hens, unfold their brilliant rainbow plumage. Avid gardeners will want to visit the nursery-like gift shop on the way out. Admission is free every third Tuesday, but note that there is no tram on these days.