The mountains around the river were blown up and the remaining ruins, coupled with lava formations, lend distinction to the park.

These lava formations are varied and fascinating, and there is a wealth of caves in the area.

Mývatn itself is famous for its peculiar lava formations and its birds.

One can see many abstractly formed lava formations on the way.

The area has lava formations and contains many fruit and alfalfa plantations.

In more open areas, whimsical lava formations resembled enormous castle towers and sci-fi landscapes.

This type of lava formation is known as pseudocraters or rootless vents.

This was not lava formation, and I had no intention of going too far in-just enough to deaden any scope the hunters might have on us.

This lava formation has similar origins to the Giant's Causeway in Ireland.

Its underwater lava formations make a perfect habitat for thousands of brilliantly colored fish.