Step back in time at Guðrúnarlaug, a beautifully reconstructed hot spring steeped in the history of the Icelandic Sagas. Just a couple of minutes' walk from the car park, you'll find this intimate, stone-lined pool set in the serene Sælingsdalur Valley. Change in the charming turf-roofed hut before sinking into the geothermally heated water, which offers a truly authentic and rustic Icelandic soak. It's a simple, magical spot to unwind, and entry is by donation.