Silfra, in Iceland, is right between North America and Eurasia’s tectonic plates.
It’s home to Þingvallavatn Lake, where water comes directly from one of Iceland’s biggest glaciers. Before it gets there, it filters through porous lava rock, making it one of the clearest natural lakes in the world — in fact, the water is totally drinkable.
Here’s what it’s like to scuba dive between continents.
Story by Jacob Shamsian and editing by Kristen Griffin
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