A unique geological site in Iceland is drawing global attention for offering something found nowhere else on Earth — the ability to stand or swim between two continents at the same time. Located in Þingvellir National Park, the Silfra fissure sits directly between the North American and Eurasian tectonic plates. The site marks a visible boundary where the two continental … [Read more...] about Iceland’s Silfra fissure offers rare chance to touch two continents at once