This is awesome! In 2014, Friday the 13th fan Curtis Lahr built and installed a statue of Jason Voorhees underwater at a popular diving site in Crosby, Minnesota, where it remains to this day. This, of course, is an homage to the end of Friday the 13th Part VI: Jason Lives, where Jason is chained to the bottom of Crystal Lake.
Here is the original video by Lahr from 2014:
And here is a 2017 update video, showing how the statue now looks after a few years submerged in water: