Things to find in Iceland

What the map holds here

• Þríhnúkagígur, inside the volcano Cave
  The only volcano on earth where you ride a lift down into the magma chamber. When Thrihnukagigur went quiet about four thousand years ago the magma drained out instead of setting solid, and left a void: 213 metres deep and 3,270...
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• Grjotagja & the Icelandic lava caves Cave
  Iceland is a young volcanic island, so its underground is lava: Grjotagja is a small fissure cave near Myvatn holding a startlingly blue geothermal pool (too hot to bathe in after the 1970s eruptions, and on PRIVATE land, look,...
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• Iceland spar, Helgustadir Gem & mineral ground
  A mineral that changed science. The clear calcite from the Helgustadir mine in eastern Iceland splits a single image into two (double refraction), and it was the stone Bartholin, Huygens and Newton argued over, the material that...
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• The Huldufolk and the elf stones Legend
  Iceland takes its hidden people seriously enough to route roads around them. The huldufolk are said to live inside particular boulders and outcrops, and Icelandic construction projects have genuinely been rerouted, delayed or had...
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Every one of these is sourced

Each entry links to the record it came from. Access rules, permits and land status vary by country and are noted where the source states them, check locally before you go.