Park in forest park for free, and walk over to slsc.
Free, only parking and shows cost money.
Actual entry is free, to park on their Oakland lot it is $10. A lot of times however there is free parking on the planetarium side. They do have things that cost but price depends on what they are for. The omnimax, discovery room, a few "rides" that simulate flying or blast off these cost extra.
Its free except for the movies.
It's free unless you want to do the special events inside I like the zoo
Entry is free, but fee for special exhibition.
Entrance admission is free, but parking is $10. Special exhibits have separate costs (permanent items like the Omnimax theater, planetarium, and traveling exhibits (currently, the Apollo 11 exhibit, which includes the actual Apollo command module).
The only thing you have to pay for is parking which Is $10
Entry is free. Parking is $10.
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