Join the Trekkers as they explore some of the world’s great natural wonders. Megan discovers erupting volcanoes in Hawaii and Java, Ian encounters the Arctic, Justine hikes the Perito Moreno glacier in Patagonia, Eils treks deep into the Amazon rainforest, and Holly travels with the nomadic Tuareg tribe in the Sahara Desert. Other destinations include Australia’s Great Barrier Reef, Victoria Falls and spectacular national parks around the world, from New Zealand and Botswana to Kenya and Ecuador.