Weeki Wachee Spring

Weeki Wachee Springs is a natural tourist attraction located in Weeki Wachee, Florida, where underwater performances by "mermaids," women wearing fish tails as well as other fanciful outfits, can be viewed in an aquarium-like setting in the spring of the Weeki Wachee River. A waterpark, Buccaneer Bay, river boat rides, kayak and paddleboard rental are some of the other activities offered at Weeki Wachee Springs.

Source: Wikipedia