Balboa Park’s land infrastructure includes gardens, buildings, walking paths and space for recreational activity. The various buildings located in Balboa Park reflect a combination of Spanish Colonial Revival, European Spanish and New Spain-Mexico Spanish Colonial architectural styles. In addition, the park has nine unique gardens including San Diego’s Rose Garden. Furthermore, road and highway development is a significant aspect of Balboa Park's history because of its central location in the heart of downtown San Diego.

Land

• San Diego Union Newsclip: Three Balboa Park Parking Lots Receive Bids (19 May 1963) (PDF)
• San Diego Union Newsclip: Concerning Trial to Decide to Fence Park Lands (01 Nov 1950) (PDF)
• San Diego Union Newsclip: Balboa Park Changes (05 May 1963) (PDF)
• San Diego Union Newsclip: 25 Trees Cut in Balboa Park Before Court Order (13 Feb 1964) (PDF)
• Newspaper Clip: Group Loses Fight for Balboa Park Eucalyptus Trees (14 Feb 1964) (PDF)
• Communication from Board of Park Regarding Name of City Park (03 Jan 1911) (PDF)
• City Manager Recommends a Portion of Balboa be Named 'Morley Field' (05 Jul 1934) (PDF)

Architecture

• San Diego Union Newsclip: Balboa Tower Gets Facelift (05 May 1964) (PDF)
• San Diego Union Newsclip: City to Spruce Up Balboa Park (01 Jun 1964) (PDF)
• Various Documents Transferring Portion of Marston Hills to City, Balboa Park (02 Aug 1964) (PDF)
• Letters Protesting Architectural Changes (22 Nov 1960) (PDF)
• Preservation of Spanish Colonial Architecture in Balboa Park (03 Jul 1970) (PDF)

Roads and Highway Development

• Alva Mackay Letter Objecting Closure of Laurel St. (4 Jan 1973) (PDF)
• News Clip: Approval of a 14-foot Sidewalk on Sixth St. (01 Dec 1961) (PDF)
• Paving Existing Paths & Resurfacing Old Road at Balboa Park Nursery (26 Mar 1959) (PDF)
• Public Petitions Regarding City Freeway, Roads & Architectural Change (5 Dec 1960) (PDF)
• W.A. Bolton Letter Relative to Speed of Street Cars & Condition of Roads (09 Apr 1935) (PDF)