In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
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The Caspian Sea is also classed as the world's largest lake.
52
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The Titanic is about as long as the Empire State building is tall.
174
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
Two dogs were among the Titanic survivors.
262
It's impossible to sink in the Dead Sea without equipment!
72