What's even more remarkable is that so many of the original buildings have been maintained, restored or rebuilt. Other buildings, such as the futuristic San Diego Aerospace Museum are relics from the 1935-36 California Exposition. Maps, schedules, museum hours and information on a variety of specialized guided tours are available. There is no entry fee to the park itself, but admission to the museums and attractions varies.
Visitors can pick up a Passport to Balboa Park at the visitor's center or at most major museums.
Every Tuesday, museums take turns offering free admission. Click here for a schedule. The Prado Restaurant is a lovely, sit-down eatery inside the House of Hospitality. You can also picnic throughout the park. There are several small lots in the heart of the park, which also must accommodate museum and park employees.