Most people don't think of New York City as earthquake country, but it has been shaken by significant quakes in 1737 and 1884. Take a look at the effects an earthquake would have on New York and its infrastructure.

The San Andreas Fault runs roughly 800 miles through some of the most valuable real estate in the world. The southern section hasn't had a significant quake for over 300 years and is primed and ready for another big one.

Inflicting over $80 billion in damage and causing the deaths of over 1800 people, Hurricane Katrina was among the greatest engineering disasters in US history. But was Katrina really the "big one" New Orleans had been waiting for?

What would happen if a massive earthquake and tsunami were to strike the West Coast of the U.S.? Experts say it could easily match the catastrophic 2004 Indian Ocean tsunami in scale and might. What can we do to minimize disaster?

As temperatures rise, a global meltdown has begun. From the Andes to the Himalayas to the Alps, glaciers are vanishing.

Tsunamis are one of the most terrifying forces of nature, destroying all in their path. What are the enormous forces that generate these catastrophic waves deep on the ocean floor?