The most active volcano on Earth is also the most visited
So book your ticket to enjoy the distinct possibility to be blown up 20 kilometers into the air :) -
Kilauea volcano is one of the five shield-volcanoes that comprise the islands of Hawaii and it's anything but docile.
Stromboli's mixture of water & fire
Another volcano that spews flows of lava into the sea is
Stromboli volcano in the Tyrrhenian Sea north of Sicily - second largest European volcano after Etna.