When Ponce de Leon visited Southwest Florida in 1513, he discovered some of North America's most pristine tropical islands. Yet it was here where the explorer met his death at the hands of Calusa Indians who had made their home on the islands since 500 bc. Remaining relatively isolated from mainland society until the mid-1900s, the islands were home to a few hardscrabble pioneers who endured stifling heat, swarming mosquitoes, and deadly storms. Famous...