A unique ecosystem, the Everglades is home to several interesting animals, and it's in danger of being lost forever.

Bill explores the majestic Alps and bears witness to receding glaciers and the dangers if the melt continues.

Venice's enchanted waterways: rising sea levels threaten the future of the great historic city.

The border conflicts in Jordan and Israel are causing the Dead Sea to dry up and disappear, but efforts are underway to revive it.

Weir treks to the magnificent Taj Mahal in India and gains valuable insight into the conservation efforts to save the endangered Bengal tiger.

Modern culture threatens a centuries-old way of life that has helped Greeks live far longer than most Americans.

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.

Proud native tribes of the islands face a changing world that threatens their centuries old traditions.