A volcano is a landform you cannot take in from its own slopes. From above the whole system appears at once: the summit crater or the far larger caldera, the gullies cut by ash and rain, the lava flows frozen in the direction they took.
Stratovolcanoes, calderas and volcanic islands, each with aerial views, photographs, video and a guide to their eruption history, monitoring and what climbing them involves.
19 Volcanoes