With the proliferation of WiFi and cell phones, does anybody mail postcards anymore? I haven’t gotten one in years, so I assume the answer is “no.” If, however, on your next trip you decide that you not only want to send a postcard, but you want to do something unique, why not send a card from an underwater mailbox? Though not common, there are five underwater mailboxes for you to visit:

I’d love to get a postcard sent from an underwater mailbox. The first person to send me one gets an Amazon gift certificate worth 10 times the amount of the postage.