Space Mountain, but I haven’t ridden it (or been to Disneyland) since 2002. Not sure if the ride changed. There used to be a small red light just before it took our picture – which let us make goofy faces for the photo.
Splash Mountain was always fun – though going back and watching it on YouTube since it closed, I can understand why Disney wants to “reimagine” it.
“Song of the South: The Ride” is quite pitiful. Especially for 1989!