Dimmuborgir is a large area of unusually shaped lava fields east of Mývatn in Iceland. The Dimmuborgir area is composed of various volcanic caves and rock formations, reminiscent of an ancient collaps
Dimmuborgir, the "Dark Castles"
The plateau surrounding Mývatn. In the distance are Gæsafjöll (882m, left), Krafla (818m, centre-left, behind the dark Vindbelgur (529m)), Hverfjall (caldera at centre), Búrfell (953m, centre-right), and Bláfjall (1222m, right).