After the Saturn V was retired, they put one out in the front yard of the Johnson Space Center.
It was kind of sizable, and for years you could see it when you drove by on NASA Road 1.
Laying sideways where the different stages were laid end-to-end, and walk right up and touch it, with outdoor photo ops all over the place.
Eventually they built buildings to enclose it, which you now have to go inside if you want to take a look.