Andrés Ruzo was a child when he first heard the story of a mythical river buried deep in the bowels of the Peruvian Amazon, so hot that it boiled. He never forgot about it. Later in life, as a Ph.D.

Tonight it is time to sing “Take me to the river,” but don’t drop me in it as Phil Keoghan’s segment on Explorer heads to Peru’s Boiling River, where the temperatures are 200 degrees Fahrenheit, ...

Andrés Ruzo first heard about the Boiling River from his Peruvian grandfather, who shared a legend with him when he was a kid about the Lost City of Gold in Peru. “One of the details of the story was ...

As a child of 12, growing up in Peru, Ruzo’s grandfather told him a most unusual story, dating back to when the Spanish conquistadors had killed the last Inca emperor. The conquistadors, hungry for ...

Scientists studying Peru’s Boiling River found 11% fewer tree species for every 1°C (1.8°F) increase in temperature, offering insights into how climate change might affect the Amazon Rainforest. The ...

The mystic river runs through the Peruvian jungle for nearly four miles at temperatures hot enough to boil a chicken for a nice chicken soup. It took Andrés Ruzo from 2010 until 2013 to prove to the ...

The Shanay-Timpishka, or Boiling River, reaches nearly 100°C (212°F) in Peru. The river's heat comes from geothermal activity, not volcanoes, deep underground. The river is 6.4 km long and is fed by ...

In the tiny organisms, Rosa Vásquez Espinoza seeks potential solutions to big challenges, such as the need to develop new medicines. A National Geographic Explorer and chemical biologist, Rosa Vásquez ...

Este entrevista está disponible en español. This interview is available in Spanish. See photos and video of Rosa Vásquez Espinoza’s expedition to the Boiling River and learn more about her research on ...

If you thought Australia was the most terrifying place in the world, then maybe this will change your mind: Deep within the Amazon rainforest lies a river that is so Godforsakenly hot that it can and ...