TWIITER: http://www.twitter.com/top5unknowns GPLUS: https://google.com/+Top5Unknowns/ SUBSCRIBE HERE: https://www.youtube.com/user/Top5Unknowns?sub_confirmation=1 --- Top 5 Mysterious things found underwater. In this list we have difference underwater discoveries that were man-made. Some of these things listed in this video may be a surprise or you may have never heard of some. Enjoy! ---
