$15; $10 (ages 65+ and military with ID); $8 (students with ID); free (ages 0-17). Combination and multiday tickets are available with participating Balboa Park attractions.
Mon.-Tues. and Thurs.-Sat 10-5 (also Fri. 5-8), Sun. noon-5. Free guided tours are given daily, typically on the hour; phone for schedule. Closed Jan. 1, Thanksgiving and Christmas.