2. That Sinking Feeling

Life is downright dangerous near an old asbestos mine in Australia, in a toxic village in Peru and along the world's most polluted river in Indonesia.

3. Fire & Ice

Discover what it's like to live in the United States' Tornado Alley, Australia's bushfire-prone wilderness and Antarctica's brutal cold.

4. Winds of Change

Resolute adventurers brave bizarrely frequent lightning strikes in Venezuela, the mountainous Death Road in Bolivia and the perils of Mt. Everest.

5. Wet & Wild

Despite the risks, intrepid souls live in a radiation zone in Japan and work on the slopes of a sulfur-spewing volcano in Java.

6. Hell or High Water

Learn how locals survive earthquakes and tsunamis in Japan, a furnace-hot desert in Ethiopia and a cataclysmic rise in sea level in Bangladesh.