Columnar Basalt Cliffs
Apparently this whole area was once a giant volcano - hence all the columnar basalt. There is a road on the far side of those cliffs - I don't know how easy it is to hike in the area.
Layers Of Basalt And Confused Trees
I'm a big fan of the columnar basalt. What you notice after looking at this photo is that some of the trees are growing up and some are growing down.
Columnar Basalt
This gives you a hint of the geography that makes these falls. Apparently there is a substantial works program going on to stabilize the rock so that the falls don't continue eroding backward.