Category:Huntington Library
Category:Art museums and galleries in California
Category:Botanical gardens in California
Category:Libraries in California
Category:Museums in Los Angeles County, California
Category:Art in Greater Los Angeles
Category:Parks in Los Angeles County, California
Category:San Marino, California
Category:Sculpture gardens, trails and parks in California
Category:Former private collections in the United States
Category:Gardens in California
Category:Historic house museums in California
Category:Japanese gardens in the United States
Category:Landscape design history of the United States
Category:Literary archives in the United States
Category:Open-air museums in California
Category:Outdoor sculptures in Greater Los Angeles
Category:Rare book libraries in the United States
Category:Tourist attractions in Los Angeles County, California
Category:Wikipedia categories named after libraries
Category:Research libraries in the United States
Category:Wikipedia categories named after buildings and structures in the United States