FILE - This May 9, 2007 file photo shows visitors touring the Castillo de San Marcos in St. Augustine, Fla. The Spanish built the Castillo de San Marcos, an imposing fort constructed of the stone coquina between 1672 and 1696. This year Florida is marking the 500th Anniversary since the explorer Ponce de Leon landed in Florida in April 1513, with a series of events related to the state's Spanish heritage and other aspects of its history. (AP Photo/Oscar Sosa, file)
