Wirelessly posted (iPhone: Mozilla/5.0 (Linux; U; Android 4.0.2; en-us; Galaxy Nexus Build/ICL53F) AppleWebKit/535.7 (KHTML, like Gecko) CrMo/16.0.912.77 Mobile Safari/535.7)
I seem to recall a donation box at an MLL but I am positive there is one in the waiting area outside international arrivals on level one, very close to the GTAA welcome center. Dumped about eight years worth of change there last week. Took a while as the slot is narrow...