Volcanism of Iceland

Baula () is a mountain situated in the west of Iceland near Route 1, Bifröst University, and the craters of Grábrók. The mountain's reddish or orange hue is caused by its rhyolite rock composition.

thumb|Dimmuborgir, the "Dark Castles" Dimmuborgir (dimmu "dark", borgir "cities" or "forts", "castles"; pronounced ) is a large area of unusually shaped lava fields east of Mývatn in Iceland. The Dimmuborgir area is composed of various volcanic caves and rock formations, reminiscent of an ancient collapsed citadel (hence the name). The dramatic structures are one of Iceland's most popular natural tourist attractions.

thumb|Reynisdrangar captured from Reynisfjall thumbnail|Landscape with the sea stacks in the background. thumb|Basalt columns on the beach at Reynisfjara. Reynisdrangar () are the basalt sea stacks situated under the mountain Reynisfjall near the village of Vík í Mýrdal in southern Iceland. It is framed by a black sand beach that was ranked in 1991 as one of the ten most beautiful non-tropical beaches in the world. In 2021 Reynisfjara was rated the sixth best beach in the world.

thumb|Grjótagjá cave in summer 2009 thumb|Landscape above Grjótagjá cave Grjótagjá () is a small lava cave near lake Mývatn in Iceland. It has a thermal spring inside.