

Chapter 1
The river that boils in Peru
Chapter 2
The science of strawberry-colored lakes
Chapter 3
Rivers that flow in technicolor
Chapter 4
Waterfalls that defy gravity and expectations
YOUR GOAL
Master of The world's wildest waters
Ch 3 · Rivers that flow in technicolor

BETA
misslily Sort extreme water features to discover the science behind boiling rivers and pink lakes.
misslily Rivers that flow in technicolor
The Macarenia plants wake up and turn Caño Cristales into a liquid rainbow!

misslily The brilliant red colors in Caño Cristales are caused by a unique riverbed plant.
Fun Fact
Rainbow river timing: Caño Cristales looks like a normal, dull grey river for half the year, only bursting into vibrant colors during its breeding season.
Glossary
caño cristales (noun)
A river in Colombia renowned for its vibrant, multi-colored appearance caused by endemic aquatic plants. From June to November, this river in Colombia's Sierra de la Macarena glows with brilliant colors.
A river in Colombia renowned for its vibrant, multi-colored appearance caused by endemic aquatic plants. From June to November, this river in Colombia's Sierra de la Macarena glows with brilliant colors.
Quiz
Which human product is strictly banned for swimmers in Caño Cristales to protect the plants?
Quiz
Which color is NOT typically associated with the 'five colors' of Caño Cristales?
