Air Mail Mailbox
Is it the case that every state has to have at least one example of this cheesy visual pun? Well, here's ours. We can't help but wonder what the stats are regarding the number of people who come up with this idea on their own versus those who are merely imitators.
Now if we can only find a two-story outhouse...
Update: As of September 2019 Google Street View shows this mailbox is no longer in place at this address, so don't bother to go looking for it.