The highlight of the Flint RiverQuarium is the amazing 175,000-gallon 22-foot deep RiverQuarium Blue Hole Spring, showcasing Southwest Georgia's unique underwater world. Explore it from the surface to the depths through a panorama of discovery points. See more than 120 kinds of fish, turtles, alligators, snapping turtles and other creatures that make the RiverQuarium Blue Hole their home.