2. Galapagos: A Fight for Survival

Many endangered species of the islands face the fate of extinction if not for the efforts of the world's leading naturalists fighting to keep their habitat unscathed.

3. Ikaria: The Island Where People Forget to Die

A visit to the remote Greek island of Ikaria where inhabitants live longer than most Americans and try to maintain their centuries old way of life in a modern world.

4. India: Tigers and the Taj

Weir visits the Taj Mahal in India and learns about conservation efforts to save the Bengal tiger.

5. The Dead Sea: Salt of the Earth

The Wonder List visits Jordan and Israel to examine the Dead Sea's decline, and meets the people battling to save it.

6. Venice: Sink or Swim

A journey through the canals of Venice, where rising sea levels threaten the future of the historic city.

7. The Alps: Fire and Ice

A visit to the Alps where glaciers are receding to examine what the stakes are if the melting continues.

8. Everglades: A Fight for Glory

A visit to Florida's endangered Everglades.