The Amazon River, not the Nile, is the longest in the world, a team of Brazilian scientists claims. The scientists claim to ...

The 10-foot-long arapaima was quickly disappearing in Brazil until local communities stepped in to save it—and themselves. A close-up view of an arapaima from the Brazilian Amazon shows its unique ...

A harrowing expedition through one of the world's great delta regions reveals the threats it faces––and the wealth of life it sustains. Complex, ever changing patterns of water and land support the ...

Some departures follow a modified itinerary. Please refer to departure dates for exact routing of your departure. 6-Day EastboundPortland, Oregon Clarkston, Washington 6-Day WestboundClarkston, ...

Fernando Trujillo, the 2024 Rolex National Geographic Explorer of the Year, has devoted his life to protecting the Amazon’s river dolphins. Fernando Trujillo, shown in the Amazon River, has made ...

Deep in the remote floodplain of Angola’s Kwando River, National Geographic Explorer Kerllen Costa and his team were desperately searching for a campsite when they spotted an elder alone on a small ...

Ecologist and National Geographic Explorer Hinsby Cadillo-Quiroz is investigating the role of microbes in ecosystems and the earth’s processes. Cadillo-Quiroz and team are exploring two rivers in the ...