The Blue Lagoon [verified]
Book the 8:00 AM Comfort ticket. Bring a waterproof phone case. Keep your hair in a tight bun. Slather on the white mud. And let the geothermal magic wash over you.
Many first-time visitors are surprised to learn that the Blue Lagoon is not a natural hot spring in the traditional sense. It is, in fact, a happy accident of industrial innovation. The Blue Lagoon