We took a daylong bus tour. The first stop was at Thingvellir National Park where you can walk through the rift valley between the North American tectonic plate and the Eurasian plate. They are moving away from each other.
We went from there to see Gullfost waterfall.
It's possible to get pretty close to it.
There are no forests in Iceland, which was
deforested in the Middle Ages. Their absence adds to the starkness of
Next we went to the town of Geysir where there is an ancient geyser of that name which is the source of the English word.
The tour guide took risqué delight in mentioning that the old guy was not spurting regularly anymore but that job had been taken over by another geyser named Strokkur.
Here is that geyser in action.