The weather was gorgeously sunny, but biting, biting cold. Once we got all bundled up in our snowsuits, we hopped on our ATVs and rode off through horse pastures to wild, rugged country around Þrihyrningr, Three-Horn Mountain. The stark, desolate beauty of the volcanic landscape reminded me of my childhood in Idaho. But it was also otherworldly. I felt civilization was a million miles away and we were on a new planet. And I remembered, not too surprisingly, that Ridley Scott filmed his gorgeous mess Prometheus in Iceland...