AtIndonesia’s Kawah Ijen volcano, a breathtaking blue glow emerges at night, setting it apart from most volcanoes where lava burns in shades of red. At Kawah Ijen, however, the molten sulfur flows ...

Indonesia’s Kawah Ijen volcano appears to glow electric blue at night, but the colour does not come from lava. Instead, ...

The Kawah Ijen lake in Indonesia is the largest acidic lake in the world. It is located in the crater of an active volcano in ...

Few natural wonders are as breathtakingly surreal as the electric blue flames dancing across Indonesia's Kawah Ijen volcano.