Sulfur minerals coating a rock at a fumarole.



Lava lake.



Leif and Alexis grinning uncontrollably at the sight of lava.


The entrance to the lava tube.



Tara with fashionable headlamp inside the tube.


Leif for scale on a lava tumulus.



Does this really need any explanation?



Apparently, there's something more interesting
over there...