Worth the effort to what? To visit? Sure, we've got some of the best natural parks in the world. If you're a fan of hiking, fishing, and so on, there's plenty to see. To invade? Well, there's a few centuries of oil locked up in the prairies. Beats flying across the world to bomb some Oilistan country. [spoiler]I have no idea what is going on in this thread.[/spoiler]