How long has the subglacial lake feeding Blood Falls been sealed off from the world?

The world's wildest waters

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 4 · Waterfalls that defy gravity and expectations

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BETA

misslily Match bizarre water features to discover how boiling rivers and pink lakes actually exist.

Jul 10

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misslily The Amazon's Boiling River

Steaming through the jungle where the heavy vapors rise, The boiling river flows beneath the Amazon skies.

Jul 10

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misslily The optical illusion of Mauritius

Jul 10

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misslily An underwater waterfall appears off the coast of Mauritius.

Jul 10

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misslily The water of Blood Falls is rich in iron, which rusts when exposed to air.

Jul 10

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Fun Fact

Blood Falls life: The subglacial lake feeding Antarctica's Blood Falls contains an isolated ecosystem of microbes that survive without any light or oxygen.

Jul 10

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Glossary

reverse waterfall (noun)
A waterfall in which strong wind currents blow the cascading water upward instead of downward. During the monsoon season in Maharashtra, India, strong winds blow the Naneghat waterfall upward over the cliffs.