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
Balboa Park (San Diego) The bridge connects the main portion of the park with the western portion and with Laurel Street. A lavish groundbreaking ceremony for the fair's construction was held in July 1911. On December 31, 1914, the Panama-California Exposition opened, with Balboa Park "crammed full" of spectators. President Woodrow Wilson pushed a telegraph button in Washington, D.C., to symbolically open the ceremonies by turning on the power at the park. Yellow and red were the themed colors of the event and were displayed throughout. All of the employees, workers, security people, and management staff were dressed in period Spanish and Mexican military