@indigomoth - I remember going to see the Grand Canyon when I was a girl and I told everyone that I would raft down it one day. I still haven't, but maybe soon I will.
When we went to see it the first time, my sisters were too young to really know what it was. Dad explained that it was a "big hole in the ground" as we were walking there (you couldn't see it at all from the path). They started complaining about how they didn't care about a hole in the ground.
Then a man coming back from the canyon heard what dad said and told him "well, you know, they filled it up. The trucks are just leaving."
My sisters were both so annoyed that we were going to see a hole that had already been filled. Dad thought it was hilarious and I could see he was trying not to laugh.
It was especially funny when we saw the looks on my sisters' faces when we arrived and they caught a look at the "hole in the ground."