See strange marvels. Go underground and find out what causes them. There's a section on survivors as well. You can also go inside a hurricane and learn about instruments used to measure storms. This site also provides historical information.
Volcanic eruptions are among the Earth's most powerful and destructive forces.
Imagine hearing a volcano erupt thousands of miles away. Imagine looking through binoculars and seeing the top of a mountain collapse. Imagine discovering an ancient Roman city that had been buried in volcanic ash. Visit a volcano observatory. Travel to the Cascades.