
Iceland’s Silfra Fissure, nestled in Þingvellir National Park, offers a unique experience: swimming between the North American and Eurasian tectonic plates. Divers and snorkelers explore the crystal-clear, glacial meltwater-filled fissure, boasting visibility exceeding 100 meters. Despite the chilly 2°C to 4°C water, adventurers clad in dry suits enjoy the otherworldly experience of floating between continents, making it a popular destination.