Playlist of my Hawaii videos https://www.youtube.com/playlist?list=PL5M50yaye0Q0LMrB6rQ2s6grp4GN8-SmJ

After ziplining, my family visited Spouting Horn Park. There's holes in these rocks that the water waves go thru, causing air to rush thru them and make these weird humming noises. There's some videos of Spouting Horn in part 4 of my Hawaii videos playlist.