Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Balboa Park (San Diego) - Balboa Park is a 1200-acre (490 ha) urban cultural park in San Diego California United States. In addition to open space areas natural vegetation zones green belts gardens and walking paths it contains museums several theaters and the world-famous San Diego Zoo. There are also many recreational facilities and several gift shops and restaurants within the boundaries of the park.
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Building