Balboa Park (San Diego) an outdoor amphitheatre. The Casa Del Prado Theater is the home of San Diego Junior Theatre, the country's oldest children's theatre program. The House of Pacific Relations International Cottages collected on El Prado offer free entertainment shows. The Botanical Building, designed by Carleton Winslow, was the largest wood lath structure in the world when it was built in 1915 for the Panama-California Exposition. It contains large specimen palms and other plants and sits next to a long reflecting pool on the El Prado side. Located in the eastern third of the park is the Morley Field Sports Complex, which includes
North Park, San Diego Park in the officially defined community. The North Park sign can be seen at 30th Street and University Avenue, and this intersection is often considered to be the heart of the neighborhood. In the summer of 1893, San Diego merchant Joseph Nash sold of land northeast of Balboa Park to James Monroe Hartley, who wished to develop a lemon grove. The Hartley family began the arduous process of clearing the land to prepare the earth for the grove, but providing the fledgling trees with proper irrigation was always a problem. Barrels of water had to be hauled from downtown San