Canon isn't realistic...

[Bumbles]

It was a pyramid scheme!

 

[Doug McCrae]

In the real world, if I'm wondering whether a giant meteor hit St. Louis, and I want to know bad enough, I can saddle up and head out to St. Louis and look for the freakin' crater. Either it's there or it isn't.

Maybe they filled it in, like they did with the hollow Earth.