 And part of the family's lawn gave way. His mom said she heard a really big pop, saw water surging into a sinkhole that was 10 to 15 feet deep. Yikes. The rescuers managed to save her 20-month-old toddler. And contractors, now she's worried her house could fall down, too. So contractors will be digging up the lawn, filling in that hole. But, I mean, that story could have ended a whole lot differently than it did.