The Kennedy Space Center Visitor Complex offers the bonus of inspecting a leftover Saturn V rocket, suspended from the ceiling of this hangar-sized building. Everyday admission costs $75 for one day or $89 for two days (with a $10 discount for kids 3-11), but for special events you can expect to pay a premium for a launch viewing package.
For example, tickets to see the Oct. 13 launch of NASA’s Europa Clipper space probe to one of Jupiter’s most interesting moons on a Falcon Heavy rocket cost $250. I would have happily paid that, but a) I’m not normal and b) I already had travel booked that sadly did not involve any rockets.