Check out the most mysterious ocean phenomena! From bizarre and strange deep sea mysteries to ocean phenomenon you won’t believe actually exist, this top 10 list of unexplained natural phenoma is very mysterious!

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13. A Steaming Sea
While not unknown in terms of cause, it is still mysterious that this happens at all. Above certain bodies of water, depending on temperature and the weather around it, a sea or ocean can actually appear to “steam”. It has also been called other things like a foggy or smokey sea.

12. Sea Foam
From “boiling” seas to seas that can apparently create foam, this is by and large one of the weirdest things that people can see if they go to the ocean. As you can see, it’s literal foam, and it piles up rather high along the shoreline. Now, unlike the steam I showed you before, this one doesn’t have a definitive explanation.

11. The Mystery Of The USS Scorpion
The USS Scorpion was a nuclear submarine that disappeared in 1968. It was a fast attack submarine and was known for its special operations. It was able to film a soviet missile launch and flee the scene before being caught. There were 99 crewmen aboard and when it tried to deliver a signal, and failed to return to port on time, it was presumed lost.

10. Beached Whales
You’ve probably all seen the pictures and footage of people trying to help a whale get off of the beach and into the water once more. It is a rare and impactful thing to see such a large creature stuck and helpless in the sand. But, have you ever asked…how did it get on the beach in the first place?

9. The Green Flash
While not technically an ocean thing, it’s a series of events that is influenced by the ocean. If you look at the sunrise or sunset over certain bodies of water, you’ll sometimes see a “green flash”.
Have any of you seen it?? Let me know in the comments because I used to live near the beach but have never seen a green flash myself!

8. Underwater Volcanoes
Now, everyone’s heard of a Volcano, but, when you think of them, you likely think about the massive body of land rising from the depths, or a long dormant entity erupting with great power and destroying everything in its path like Pompeii. Yet, under the water, volcanoes erupt more than you think. In fact, it happens in a way that is both mysterious, and beautiful.

7. Rogue Waves
Anyone who’s sailed in seas with massive waves know that there are several things to fear. But few are as terrifying and fearsome as Rogue Waves. Though there are explanations as to why they happen, it doesn’t help the ships that get hit by them.

6. Bimini Road
All roads lead to Rome, and many people are wondering if that’s the case with Bimini Road in the Bahamas. Researchers and archaeologists of all kinds have come to study the huge, flat stones that are set perfectly for about half a mile long.

5. Red Tide
Some of these phenomena are downright deadly. Such as the infamous Red Tide. No, not the Alabama football team, the actual Red Tide!
This event is one of the most dangerous things threatening the ocean and its inhabitants, and it even threatens humanity.

4. The Convergence
The Convergence is another name for the meeting of the Baltic Sea with the North Sea in Skagen, Denmark.
These are two bodies of water that very naturally come together off the coast of Denmark. Here’s a map so you can see what I’m talking about!!

3. Bioluminescence
For creatures under the sea, there are some who have learned a very interesting technique to ward off foes, Bioluminescence. Or more literally, the ability to make yourself glow.
It’s not hard to imagine the shock and fear of seeing something you’re about to eat begin to glow with blinding light.

2. Atlantis
The legend of Atlantis is one of the greatest stories ever told. But the question has always been, is it really a legend? The story goes as far back as Plato, who is not known to be a liar, and yet, despite numerous surveys of the ocean, it’s never been found.

1. The Bermuda Triangle
The holy grail, perhaps the most unexplained phenomena in the history of the oceans…the Bermuda Triangle.
This place, which spans from Florida to Puerto Rico to Bermuda, has claimed the lives of many, and has sunken both ships and planes and many other things that dare to infringe upon its waters. Everyone was scared that you could go there and just disappear.

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