There is an aquatic creature with the head and upper body of a human and the tail of a fish. The first stories appeared in ancient Ayssria, in which the goddess Atargatis transformed herself out of shame for killing her lover. There have been reports of sightings in ancient times, by Christopher Columbus and even modern day sightings! See if you can find her!
If there has been recent rain or snow melt, you will have to venture through a little water. Cache is micro so bring a pen or pencil.