As a child, I attempted digging a hole to China. This was both easier and harder than it seemed. I was almost totally unsupervised as a child. After school, I would stay at the house of the family who lived down the street. I think there was something slightly weird about the family. (The house always intriguingly smelled of mold and cat pee.)

But you could do whatever you wanted there. There were many brothers and sisters in the…