Watch day turn to night on a trip through the dark recesses of Grotagja Cave. Armed with a trusty headlight and a taste for adventure, there's no saying what you might discover down there.
You'll soon discover why this Myvatn natural underground attraction is popular with travelers. If you're searching for other things to see here, Lake Myvatn, Myvatn Nature Baths, and Dimmuborgir are in the area too. They won't take you long to reach from Grotagja Cave.