I;m in san diego with my mom...looking for something unique and fun to do w/ her?

took a trip to san diego...screwed up a few things so far but i wanna make sure this is a memorable trip for her (in a good way). if u have any ideas on something unique and fun to do with her that would be great...we;ve been here many times before so not something touristy i guess...|||LEGOLAND.|||hmmm try Balboa park and go to the museums and eat at The Prado restaurant