Imagine you are floating through a crack in the earth between two continental plates that is filled with crystal clear water, and the rocky surface below you is covered in the most incredible shades of blues and greens that you could ever imagined. You’d think this only exists in a dream right? Wrong. It is located in Iceland’s Thingvellir National Park in the Silfra fissure. The Silfra fissure is a crack between the two continental plates of North America and Eurasia. More importantly is the crystal clear water that fills the fissure, and the lake, have come from the glaciers …