Discover the inner workings of one of Earth's most terrifying natural phenomena in Eye Wonder: Volcano. How hot is molten lava? How are volcanoes formed under the earth's surface? Learn about famous volcanic eruptions such as the disaster in Pompeii with this unique visual reference.

Volcanoes are unquestionably one of the most spectacular and awe-inspiring features of the physical world. Our paradoxical fascination with them stems from their majestic beauty and powerful, if sometimes deadly, destructiveness. Notwithstanding the tremendous advances in volcanology since ancient times, some of the mystery surrounding volcanic eruptions remains today.