The world's most exotic rivers
The Napo, Ecuador A journey along the Napo River, through the 6,500 square miles of Ecuador's Yasuni National Park, brings the planet's great green lung into vivid focus. Here are creepers, vines, soaring canopies, orchids, palms and ferns, as well as turtles, dolphins, monkeys, macaws, caimans and snakes. The lily-livered have never had easier access