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
Silver Line (San Diego Trolley) streetcar line.<ref name="MTS City/Park Streetcar Feasibility Study"></ref> The project study corridor runs between the City College Trolley Station area, and Balboa Park, in the vicinity of the San Diego Zoo. An alignment similar to the proposed one was last served by a streetcar system in 1949 on Line 7 (Park Boulevard-University Avenue to East San Diego) & Line 11 (Park Boulevard-Adams Avenue to Kensington). In October 2012, MTS released a study to evaluate the feasibility of reconnecting Balboa Park and downtown San Diego via an electrified streetcar corridor. This is the first step in the process to construct such a