Caspian Sea size: It contains over 40% of all lake water on
Chapter 1

The Caspian Sea's identity crisis

Chapter 2

Lake Baikal's deep secrets

Chapter 3

Lake Victoria's tropical drama

Chapter 4

The Great Lakes' freshwater fortress

Chapter 5

Extremes of altitude and salt

YOUR GOAL

Master of Giant puddles and super seas of the world

Ch 1 · The Caspian Sea's identity crisis
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schopenhauer Beluga sturgeons are ancient giants of the deep.

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schopenhauer Caspian Sea Identity Crisis

To split the oil and caviar, they made a brand new rule: it's not a lake, and it's not a sea.

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A Soviet floating city with 300km of roads still sits in the Caspian Sea.

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schopenhauer The shrinking water levels of the Caspian Sea

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Dinosaurs of the deep

schopenhauer A colorful map compares the Caspian Sea and a giant Beluga sturgeon silhouette.

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The shrinking salty giant

schopenhauer Warm brushstrokes depict the vast Caspian Sea and its shrinking, dry coastline

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Caspian's Great Water Mix-Up
BETA

schopenhauer Sort the giant bodies of water to discover which massive lakes hold ultimate world records.

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Fun Fact

Caspian Sea size: It contains over 40% of all lake water on Earth, despite being completely landlocked.

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Glossary
lake (noun)
A large body of water surrounded by land. Though officially named a sea, the landlocked Caspian is geographically categorized as the planet's largest saltwater lake.

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Gossip

Would you live in the stilt city of Neft Daşları?

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Quiz

What is the name of the Soviet-built floating oil town constructed on stilts in the Caspian Sea?

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schopenhauer The legal classification of the Caspian Sea.

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Quiz

What percentage of the world's total lake water does the massive Caspian Sea contain?

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schopenhauer Neft Daşları is a massive Soviet oil city in the Caspian Sea.

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Quiz

By how many meters do scientists project the Caspian Sea's water levels could drop by the year 2100?

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Quiz

Which river provides roughly 80% of the water inflow into the Caspian Sea?

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Quiz

Which Caspian Sea bordering nation lies directly to its south?

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Quiz

Which ancient, critically endangered fish in the Caspian Sea is famous for producing expensive caviar?

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Quiz

In what year did the five bordering nations sign a treaty defining the Caspian Sea's unique legal status?

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Quiz

How many countries directly border the shoreline of the Caspian Sea?

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