and they are proud of their rail history here. is that a bell? can i ring that? sure, go ahead. yeah? bell rings. wow, that is a slice of history. just in that noise, that sound. it's beautiful. but there's more to this area than meets the eye... this is a typical arizona landscape, vast desert and mountain ranges. but what the state is less famous for is something that could have changed the course of history in a momentous way, and it's right beneath my feet. an intercontinental ballistic missile complex, one of only two in the world open to the public.