Scotland has the Loch Ness monster. Canada and the U.S. Pacific northwest have Bigfoot, or the Sasquatch. And in Iceland, the national mystery creature is known as the River Worm.

And now, courtesy of YouTube, there is a viral video of what appears to be Iceland's legendary sea creature, also known as Lagarfljóts Worm.

What do you make of it? Let us know.