You'll want to browse the collections at San Diego Natural History Museum, San Diego Air and Space Museum, and Maritime Museum of San Diego. While you're exploring, swing by Hotel del Coronado, Mission Basilica San Diego de Alcala, and Casa de Balboa to learn a bit about the area. You can watch performances at San Diego Civic Theatre, The Rady Shell at Jacobs Park, and Humphreys Concerts by the Bay if you're interested in local theater.