I've got a big head and I can't find any hats that fit!?

I don't care if I have to order it from a "big & tall heads" specialty place. No matter if it's Spencers, Wal-Mart, or whatever... I can't find anything that fits comfortably around my melon. What is up with people and their pea-sized heads? I'm just looking for neat head gear that doesn't squeeze my brains out. Anyone have any suggestions? What does a brother gotta do to stay fly? Holla!