By the late 1940s, long before Disney dreamed of building a magic kingdom in central Florida, the state had more botanical gardens, jungles, monkeys, parrots, and glass-bottomed boats than a tourist could shake a camera at. But only one place had banana-eating mermaids, and that was Weeki Wachee. Located about forty-five miles north of Tampa, and still in existence today, Weeki Wachee has been featured in major motion pictures and visited by astronauts,...