Lómagnúpur and Rainbow, IcelandI nearly drove past Lmagnpur. You're on the ring road in south east Iceland, flat farmland stretching in every direction, and then this 688 metre vertical cliff just appears to your left. No foothills, no gradual rise. Just a wall of basalt, straight up from the plain. The weather was doing what Icelandic weather does best, cycling through rain and light every few minutes. I pulled over and waited. The sky stayed dark and heavy, but a single break in