Discover the glacial depths of one of Iceland’s best diving spots, the striking Silfra Fissure, during a guided snorkeling tour. Set out through the volcanic fields of Thingvellir National Park to reach the departure point. After getting outfitted with all necessary gear, get in the water to swim between continents as you move back and forth between the North American and Eurasian tectonic plates. Underwater GoPro pictures delivered by email are included.