La Jolla Mom
Admission at the Botanical Building in Balboa Park is always free! It houses over 2100 tropical plants and palms and is great for picnics.
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The San Diego Model Railroad Museum entry fee is donation-based. If you’re unable to contribute, you can still enter to enjoy the model trains and their ornate displays.
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The Flying Leatherneck Museum is the only museum in the world that primarily showcases the United States Marine Corps (USMC) aviation. You’ll be able to take an up-close look at 48 historical aircraft in their gallery.
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On the first Wednesday of every month, members of the San Diego Astronomy Association set up telescopes in front of the Fleet Center building for free public sky viewing.
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