I knew that there are tectonic plates, but I had no idea one can walk in the crack between them. But in Thingvellir, Iceland it is possible.
There are also amazing waterfalls in the area, but those are kind of expected. Pretty to look at, though.
Photos and text (c) 2019 by Jari Arkko and friends. All rights reserved. See more stories from the underground worlds at planetcaver.net and theurbanexplorer.net!