This May 2008 aerial photo of an "uncontacted" tribe in the Brazilian rain forest came less than a year after a similar shot captured an indigenous group near the Las Piedras River in the Peruvian Amazon.
Some experts worry that illegal logging and oil exploration in Peru is driving uncontacted tribes into Brazil, which could lead to conflict with isolated tribes there.
Enter a world vanishing amid development and war with this gallery from the National Geographic magazine article "Bushmen: Last Stand for Southern Africa’s First People."
National Geographic Explorer-in-Residence Wade Davis calls Brazil a "land of the 10,000 senses." Find out what he means in this collection of photos from the largest nation in South America.
Patagonia's landscapes of breathtaking peaks, towering glaciers, open pampas, and blue-green fjords invite the world's adventurous travelers to come and play.
