There’s so much to see and do in Arcadia, but we’ve found that the most popular landmarks are Santa Anita Park, Los Angeles County Arboretum and Botanic Garden, and Los Angeles Arboretum and Botanic Gardens. You’ll want to stay in Arcadia to visit Santa Anita Park, Arcadia to visit Los Angeles County Arboretum and Botanic Garden, and Arcadia to visit Los Angeles Arboretum and Botanic Gardens.