Iceland, Snaefellsnes Peninsula National Park, Djupalonssandur black sand beach. Rock formations with Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano in the distance.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with sightseeing tourists approaching remains of a shipwrecked British trawler on the bl...

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano seen through a window in the volcanic formation.

Iceland, Snaefellsnes Peninsula National Park, Snaefellsjokull, a 700,000-year-old glacier-capped stratovolcano with moss covered lava field in the foreground.

Italy, Campania, Naples, Mount Vesuvius.

Italy, Campania, Naples, Mount Vesuvius.

Italy, Campania, Naples, Mount Vesuvius.

Italy, Campania, Naples, Mount Vesuvius.

Italy, Campania, Naples, Lega Navale Italiana building and Mount Vesuvius.

African elephant and baby with Mount Kilimanjaro in the background surrounded by clouds. Formerly Kaiser-Wilhelm-Spitze, is an inactive stratovolcano.