According to legend, Spanish explorers believed that a fountain of eternal youth existed somewhere in the place we know today as Florida. In a poetic way, they were right. Beneath Florida lies the world’s largest known system of springs. These springs shelter strange life forms and dot the land above it with outlets of water that once was as pure as any found on this planet. This film premiered May 13, 2000.
expired53931333042249cove5393 Full Episodeunavailabledisabledshow11322Invasion of the Killer Whales A shift in power is taking place at the top of the world. 2014-11-19 01:00:00http://www.pbs.org/wnet/nature/files/2014/11/naat-invasion-killer-whales-top-image-1920x1080-480x270.jpg2365371591cove11316Polar Bears Try to Catch Salmon Polar bears are forced to try their luck hunting salmon as arctic ice sheets dissappear.2014-11-19 01:00:00http://www.pbs.org/wnet/nature/files/2014/11/mezzanine_468-480x270.jpg2365371369cove