My parents had season tickets to the Rockpile in the '60s. One of their favorite stories to tell is when my mom became pregnant with my sister (older than me; I didn't exist yet), my dad and the couple they shared tickets with had to PUSH my mom up the ramps to help her.
I've heard that story 1,000 times. It's what I always think of when I think of the rock pile.
Also, when I was in 8th grade (I think), I played 2nd base in a baseball game at the rockpile!
Of course the stands were empty but it was cool playing baseball in a stadium like that.
Now it's pretty much all gone.
This is what's left: