It's impossible to sink in the Dead Sea without equipment!
72
There was once an undersea post office in the Bahamas.
241
Water is actually naturally blue.
48
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
The time interval from first sighting of the iceberg that sank the Titanic to impact was a little over 30 seconds.
105
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17