Volcano Santiaguito is located in Guatemala. It is a unique volcano with frequent asheruptions from its lava dome.
Geysers and hot springs in Yellowstone Nationalpark. You can see geysers like Old Faithful, Castle and Grand Geyser.
In 2006 Mount Merapi erupted a lava dome. Pyroclastic flows were generated by partial collapse of this dome. 2 people died.