The uneven cooling of lava flows from the eruption of the Prengslaborgir craters formed Dimmuborgir, which means Twilight Castles. Hiking trails which lace through the site provide many photo opportunities.

 
 

Me with Dimmuborgir in the background

Gwenn checking out some of the volcanic features at Dimmuborgir

The Kirk (church) of Dimmuborgir. When inside, it's hard to believe that it is a natural volcanic feature and not man-made

Gwenn and I becoming "one" with the ancient lava flow